Answer:
In horizontal rock layers, the oldest layer is at the bottom. Each higher layer is younger than the layers below it.
Explanation:
Answer:
Its difficult to determine the absolute age so geologists use method to find a rock's relative age. Use the: LAW OF SUPERPOSITION: in horizontal sedimentary rock layers, the oldest layer is at the bottom. Each higher layer is younger than the layers below it.
Explanation:
(Rockaway Middle School)(Relative Ages Of Rocks)
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Atmospheric Co, at Mauna Lon Observatory
Scripps Institution of Oceanography
NOMA Earth System Research Laboratory
300
300
PARTS PER MILLION
30. The carbon dioxide data (red curve), measured as the mole
fraction in dry air, on Mauna Lon constitute the longest record of
direct measurements of CO, in the atmosphere. They were
started by C. David Keeling of the Scripps Institution of
Oceanography in March of 1958 at a facility of the National
Occanic and Atmospheric Administration, NOAA started its own
CO, measurements in May of 1974, and they have run in parallel
with those made by Scripps since then. The black curve
represents the seasonally corrected data.
320
1900 1970 1960 1990 2000 2010
YER
RECENT MONTHLY MEAN CO, AT MAUNA LOA
The last four complete years of the Mauna Loa CO, record plus
the current year are shown. The dashed red line with diamond
symbols represents the monthly mean values, centered on the
middle of each month. The black line with the square symbols
represents the same, after correction for the average seasonal
cycle.
PARTS PER MILLON
Considering the trends world-wide in green energy resource
development and usage, what impact has this field had on the
overall carbon dioxide emissions?
A) little, if any impact
B) slow decline in emissions
C) none; emissions increasing
D) dramatic impact; emissions on the decline
I thought it was (d) but I might be wrong
Answer: C) none; emissions increasing
Explanation: I just had this on USAtestprep
(!!!!!50 POINTS!!PLEASE HELP!! I WILL GIVE BRAINLIEST)
One advantage to being a ectotherm is that an ectotherm
A. Can generate its own body heat.
B. Needs less energy to maintain homeostasis.
C. Can survive easily in colder climates.
D. Can reduce its body heat by sweating.
2. How do endocrine glands help the body maintain homeostasis?
A. They transport oxygen, nutrients, carbon dioxide, and waste.
B. They control body activities by releasing hormones into the blood.
C. They determine whether an animal is a ectotherm or an endotherm.
D. They distinguish between "self" and "other"
For 1 it’s B because they have less metabolic rates than endotherms
For 2 it’s B because hormones control body cell activity, and endocrine glands secrete them
Answer:
Hi there :)
Explanation:
For the first question the answer is B. They do not eat as much so therefore they don't need that much energy to keep their homeostasis. For the second one it is "They control body activities by releasing hormones into the blood."
Mung beans planted early in the spring produce flowers at the same time as mung bean plants planted early in the summer due to the A) age of the plant. B) length of darkness. C) amount of moisture. D) amount of fertilizer.
C) amount of moisture
Answer: Option B
Explanation:
The mung beans is planted early in the spring season and produce flowers at the same time if it is planted in the early summer.
This is so because the time for which the seeds need sunlight is limited. The beans will get energy and light in the same amount even if it is planted at the starting of the summer season,.
This is due to the darkness that the beans receive when it is not being exposed to the sunlight and outer environment.
Hence, the correct answer is option B
A limestone rock is found in an Arizona desert. The limestone is gray and has a fish fossil. What can scientists learn from the limestone? A) There was once a lake in the area. B) Some fish lived on land many years ago. C) Many years ago there were dinosaurs in the area. D) There were many trees and plants in the area at one time
Answer:
I am pretty sure the answer is A
Explanation:
It wouldn't be B because fish can't survive on land. Even if it was an animal that survived in water and on land it wouldn't be called a fish.
Also, C and D don't make sense.
explanation answer:
Answer: I am pretty sure the answer is A Explanation: It wouldn't be B because fish can't survive on land. Even if it was an animal that survived in water and on land
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Which of the following statements is true?
MRIs are generally used to view broken bones.
X-rays are not helpful for diagnosing cancer or heart disease.
Advances in nanotechnology will improve the treatment of cancer and other diseases.
Before the invention of camera pills, there was no way to take pictures inside the body.
Answer:
avancos na nanotecnologia melhorarão o tratamento do câncer e outras doencas
Answer:
Advances in nanotechnology will improve the treatment of cancer and other diseases.
WHY<<<< does a person get drowsiness when they get WEST NILE VIRUS?
Answer:
West Nile virus (WNV) is the leading cause of mosquito-borne disease in the continental United States. It is most commonly spread to people by the bite of an infected mosquito. ... About 1 out of 150 infected people develop a serious, sometimes fatal, illness.
which division of the human nervous system is responsible for maintaining body temperature
Answer:
The central nervous system is responsible for controlling the temperature of the human body. The central nervous system is made of two parts: brain and spinal cord. The hypothalamus which is a small part of the brain controls the temperature of the body
"CENTRAL NERVOUS SYSTEM" is the main division which is responsible for that maintains body temperature.
Explanation:
The nervous system is separated into two major subdivisions: the “central nervous system” (CNS) and the “peripheral nervous system” (PNS). The “peripheral nervous system” (PNS) connects the “central nervous system” (CNS) to the remaining parts of the body. “Central nervous system” (CNS) from the “human nervous system” is responsible for maintaining the body temperature. The central nervous system comprises of two parts -brain and spinal cord. In the brain hypothalamus the part for controlling the body temperature.
What state is most likely to produce sargassum?
A. New Mexico
B. New York
C. Washington
D. Florida
D=Flordia
Mark Brainlyest I REALLY need it
How do plants grow without soil
Answer:
Using a growing method called "hydroponics," you can grow plants in a watery solution of mineral nutrients instead of soil. The word “hydroponic" comes from the Greek words hydro (“water") and ponos (“labor"). The keys to plant growth are a variety of mineral nutrients, including nitrogen, phosphorus, and potassium.
Explanation:
Final answer:
Plants can grow without soil by receiving essential elements and nutrients through methods like hydroponics and aeroponics, where these are provided in a water solution. The process of photosynthesis, which requires sunlight, also plays a vital role in plant growth by creating the energy plants need.
Explanation:
Plants can grow without soil through methods such as hydroponics and aeroponics, which use nutrient solutions to feed the plants. In these systems, essential elements required for plant growth, such as nitrogen, phosphorus, potassium, and various micronutrients, are dissolved in water, creating a soil-less growing environment. While soil can provide these nutrients, plants primarily absorb inorganic nutrients and water through their roots and carbon dioxide from the air for photosynthesis, the process by which they gain energy and grow. In addition to nutrients and carbon dioxide, sunlight is crucial as it powers photosynthesis. Plants also exhibit adaptations for growth such as the apical meristem which is an area of active cell division allowing for lengthening of the stems and roots. Hence, as long as plants have access to their essential elements, water, and sunlight, they can thrive even without soil.
what started the study of the field of genetic engineering?
A. the emergence of cloning
B. recombinant DNA technology
C. genetically modified organisms
D. combining DNA technology
Answer:
Genetic engineering has its grass roots from the recombinant technology.
Explanation:
Genetic engineering is seen to have started from a scientists activity which involved restriction enzymes and DNA ligases that were used by Paul Berg in 1972 to create the first recombinant DNA molecules. A monkey virus which is SV40 was combined with a lambda one. Following that, the results of the experiment and attempts were further investigated by other scientists and later, the first plant that underwent genetic engineering was the plant tobacco.
What is the energy input in the process shown in the model
Answer: Light energy from the sun
Answer:
where is the model?
Explanation:
I NEEEEEED IT
How can you determine that a star is about to turn into a red giant?
Answer:
When the inner core shrinks and the outer atmosphere expands thereby giving red color to the star.
Explanation:
When the hydrogen with in the core of a star gets exhausted, the nuclear reactions taking place in the inner core move outwards towards the atmosphere of the star in search of fuel. Due to this, the star expands and become cool and red. This process continues till the star convert into red giant and all the available fuel (hydrogen) is consumed.
Due to expanding atmosphere, the inner core starts shrinking due to gravity. The pressure and temperature also increases in the middle till nuclear fission starts again but this time it will use helium instead of hydrogen.
You can determine a star is about to turn into a red giant when it is in its main sequence stage where it is expected to continuously fuse hydrogen to helium which generates light and heat, but stops fusion as a result of running out of hydrogen fuel in its core.
Further ExplanationThe moment fusion stops, gravity takes places and this will lead to the compression of the star into a smaller and tighter unit. Hence it stops being a main sequence star, and automatically becomes a Red Giant.
A star usually commences its existence as huge ball of gas, and pass through various stages in its lifetime to end as its remnants. The life cycle of a star is in seven stages which are: the Giant gas cloud stage, the Protostar stage, the T-Tauri stage, the Main sequence star stage, the evolution into Red Giant stage, the fusion into Heavier Elements stage and the Supernovae stage.
Basically, a red star giant is a dying star. A star spends most of its lifetime as a main sequence star before transforming into a red giant. When a main sequence star exhausts its hydrogen, it is ready to become a red giant, and as such, temperature within and the outer of the stellar core begins to increase as a result of the collapse of core propelled by gravity.
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red giantt-tauri stagehydrogenheliumcloud stageTobin learns that using aluminum cans and plastic bottles can damage the environment. He begins writing the proposal below to suggest a way to reduce their impact.
People should be worried about the environmental effects of using cans and bottles. People use about 200 billion aluminum cans and 500 billion plastic bottles each year. To meet this demand, many new aluminum cans and plastic bottles are made each year. Making new aluminum cans requires minerals and making new plastic bottles requires fossil fuels. Getting these materials from the Earth can damage the environment and cause pollution.
Recycling cans and bottles decreases the amount of new materials that are needed to make more of them. About 68% of aluminum cans are recycled, but only about 7% of plastic bottles are recycled. Many of these plastic bottles end up in landfills or in the ocean.
Which argument would best complete Tobin's proposal?
A.
Encouraging people to use more aluminum is one of the best ways to protect the ocean.
B.
Encouraging people to recycle plastic bottles is the best way to protect the environment.
C.
People should make sure to dispose of their plastic bottles in landfills and not in the ocean.
D.
People can reduce their effect on the environment by recycling more of their aluminum and plastic.
I think the answer should be D
Answer:
People can reduce their effect on the environment by recycling more of their aluminum and plastic.
Explanation:
did it
Why do you think Owen is unsure about puttung the raptors on the field?
Answer:
Where is the story that goes with it?
Answer:
I mean this has to be referencing Jurassic World right? He was never keen to letting them out in the first place.
Explanation:
In the first movie he explains how the only reason he has a bond with them was raising them from young. This is hinted in flashbacks during both movies. They're extremely intelligent as we noticed in the first few movies of the entire series. While that may be true there is no real reason for them to be out in the field as they are natural killers not trained (this was even clearly exampled in the last movie with laser targeting yes it worked for a second but when it was free it went for everything in it's path.)
which of these pairs of organisms are most clearly related
a. aimophila aestivalis and passerella iliaca
b. junco hyemalis and clangula hyemails
c. mergus serrator and mergus merganser
d. somateria fischeri and olor columbianus
junco hyemalis and clangula hyemils
Answer:
c. mergus serrator and mergus merganser
During which year does one one of the projections show the human population reaching carrying capacity?
A - 1960
B - 2020
C - 2045
D - 2080
(APEX) Please help!!
Answer:
I believe that the answer would be either b or c.
Explanation:
PLZ HELP
Which is a disease that begins as a rash with small red bumps that develops into blisters? A. tuberculosis B. mononucleosis C. hepatitis B D. chicken pox
Chickenpox is a disease that begins as a rash of small red bumps that develops into blisters. So the correct option is D.
What is chicken pox?Varicella-zoster, another name for chickenpox, causes a red rash that blisters and then crusts over. It spreads rapidly. Vaccines can help you avoid getting chickenpox and its subsequent complication, shingles.
A skin rash is brought on by the illness known as chickenpox. The varicella-zoster virus is the pathogen responsible for the illness. (The actual chickenpox is also known as varicella-zoster.) If they haven't had a chickenpox vaccination, the majority of people will contract the virus while they are young.
A youngster who has chickenpox can readily infect other kids with the illness. Due to widespread childhood vaccination, chickenpox is considerably less frequent nowadays. Before the first chickenpox vaccine was authorized in the United States in 1995, practically everyone contracted the disease. There weren't many issues.
You cannot contract chickenpox from another individual after having it once. You can contract chickenpox at any age if you haven't had the vaccination. It is safer to contract chickenpox as a child or avoid it by getting vaccinated because adults who contract it may become really ill.
Therefore the correct option is D.
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Answer:
D, Chicken Pox
An overaccumulation of dinoflagellates causes a _______, which can contaminate shellfish and make them unfit for human consumption.
A. rose water
B. red tide
C. crimson summer
D. scarlet wave
Answer: B. Red tide
Explanation:
Answer: B. red tide
Explanation:
Red tide is a phenomena that is caused by algal bloom specifically due to the growth and abundance of unicellular algae called as dinoflagellates and diatoms. These organisms impart red color to the coastal waters. Such kind of algal blooms release toxins in the water. They deplete the concentration of oxygen in the water body.
The shellfish consume these small unicellular organisms as they filter large amount of water. The shellfish population accumulates large amount of toxins on consumption of these small organisms. The shellfish are harvested and consumed by the human population can make them sick and may lead to mortality of large population.
two new species of plants were introduced into an area that was a low in available nitrogen compounds in the soil. one formed modules and one did not. which species would you reasonably expect to grow more robustly? explain.
Final answer:
The plant species with nodules would grow more robustly due to its relationship with nitrogen-fixing bacteria, which enriches the soil with nitrogen compounds crucial for plant growth in nitrogen-poor environments.
Explanation:
In a low nitrogen environment, the plant species that formed nodules would be expected to grow more robustly. This is because nodules are the result of a symbiotic relationship between the plant and nitrogen-fixing bacteria such as rhizobia. These bacteria fix atmospheric nitrogen, which is otherwise unavailable to plants, converting it into ammonia and other compounds that plants can use for growth.
Nitrogen fixation is especially crucial in nitrogen-poor soils, where the availability of fixed nitrogen limits plant growth. The plant species with nodules would thus have a distinct advantage as it can access a constant supply of nitrogen directly from the atmosphere, thanks to its symbiotic partners. In contrast, the non-nodule forming plant would depend solely on the limited nitrogen compounds already present in the soil or those being slowly released through other processes, which may not suffice for robust growth.
As has been observed historically in agricultural systems and ecosystems disrupted by invasive nitrogen-fixing species, the ability to establish a symbiotic relationship with nitrogen-fixing bacteria significantly enhances the plant's growth potential and ecological success in nitrogen-limited environments.
How does a closed lake differ from an open lake?
please and thanks!
Answer: the right answer is D
Explanation: closed lake has no outlet stream. This is how a closed lake is different from an open lake.
How does a food web show relationships between organisms in a food web and what are some strengths and weaknesses in food web models?
Answer:
Producers, or autotrophs, make their own organic molecules. Consumers, or heterotrophs, get organic molecules by eating other organisms.
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain.
Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.
Energy transfer between trophic levels is inefficient—with a typical efficiency around 10%. This inefficiency limits the length of food chains
Explanation
Hope this helps
Final answer:
Food chains and food webs illustrate feeding relationships and energy flow in ecosystems, with food chains being linear and food webs displaying interconnected networks.
Explanation:
Food chains and food webs both depict feeding relationships in ecosystems, showing the flow of energy and matter. While food chains are linear sequences of who eats whom, food webs are interconnected networks that display multiple feeding relationships among organisms.
The strengths of food chains lie in their simplicity and clarity in illustrating one specific path of energy transfer. On the other hand, food webs offer a more comprehensive view of an ecosystem, showcasing the complexity of interconnections between various organisms.
Which of these can be used to see how climate has changed over time?
Ice cores
Tree rings
Both of these
Both ice cores and tree rings are instrumental in studying past climate changes, with ice cores revealing atmospheric conditions and tree rings indicating climatic variations through their width and density.
Both ice cores and tree rings can be used to see how climate has changed over time. Ice cores are samples from polar ice that provide a record of past climates, revealing information such as atmospheric gas concentrations and particulates that reflect volcanic eruptions and human activities. Tree rings, on the other hand, can show variations in climatic conditions based on their width and density. Wide rings indicate wetter and warmer years, while narrow rings suggest drier and colder periods. Because some trees can live for thousands of years, their rings can inform us about regional climate changes over long time periods.
Meredith notices that different plant fertilizers are made up of different chemicals. Some fertilizers are high in nitrogen. Other fertilizers are high in phosphorus. Meredith hypothesizes that nitrogen-rich fertilizers are best to grow fruit crops such as strawberries. When she is designing her experiment, what should be her variable? A. type of fruit crop B. amount of light given to plants C. type of fertilizer D. amount of water given to plants
Answer:
C. type of fertilizer because the ferilizer varies in the amount of chemicals they have.
Explanation:
Answer:
Its C.Type of fertilizer
Explanation:
i got the same question and got it right
The two cells formed by cell division are about ____ the size of the parent cell
In Meiosis they would be identical
Answer:half
Explanation:
List three ways the ocean's energy can be harnessed
Answer:
Explanation:
Tidal power can be harnesed and be used to drive turbines which are used in hydroelectric power stations. Tide involves the movement of water from one place to another and this results in ocean currents. The tides carry a huge amount of renewable energy in them.
Wave power: waves accompany tides. These waves can be easily harnessed to drive wind turbines which in turn produces electricity. They can also be used in wind mills.
Power from fossil fuels: Oceans contain a vast reserve of fossil fuels. Most oceans in times past are sedimentary basins that accumulates remain of organisms. As natural processes plays out, they yield fossil fuels. These fossil fuels can be tapped for use in different machines and gas power plants.
HELP plz
What does a person, an oak tree, a mushroom, an amoeba, seaweed, and a bacterium all have in common? How do they differ?
They are all living, they grow, reproduce, excrete, respire and require nutrition. They all differ, the human, oak tree, sea weed and mushroom are multicellular( prokaryotes), and the rest are Unicellular( Eukaryotes). The sea weed& most bacterium produce their own food while the rest need to feed.
Answer:
They are all living things. Bacterium and an amoeba are single celled organism while the rest are multicellular organisms. Mushrooms are a type of decomposer. Oak trees and seaweed are producers. A person is a consumer. Everything in the world is a living organism.
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Many cows are given antibiotics as part of their regular diet. It has been determined that these antibiotics can be detected in the milk of these cow. How do you think this might effect the yogurt making process?
Answer:
When providing antibiotics to cows, it provides unspecified chemicals that can range to many different issues. These chemicals can both affect the cow and its produce. Asserting the fact into yogurt, this antibiotic(dependant on its chemical) can affect the product within both positive and negative ways. If the chemical is positive, it can increase mass,taste and even quality. If it is negative, it can create a bad taste,bad quality and even transmit diseases!
Antibiotics in a cow's diet can lead to antibiotic-resistant bacteria. These resistant bacteria could affect the probiotic bacteria used in the yogurt-making process potentially hindering the fermentation and production of yogurt.
Explanation:Antibiotics given to cows can be detected in their milk which might affect the yogurt production process. These antibiotics could potentially select for antibiotic resistance in bacteria, including those involved in yogurt fermentation. The routine use of antibiotics in livestock feed can cultivate bacteria resistant to antibiotics. This could thereby affect the bacteria that is necessary for the yogurt-making process.
Furthermore, these resistant bacteria may produce mobile genetic elements, transferring resistance genes amongst each other, and these could also impact the probiotic bacteria used in yogurt production. Probiotics are beneficial bacteria integral to human gut health and to the creation of yogurt. The likely outcome would be a disruption in the fermentation process, possibly hindering the production of yogurt.
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the fur on the arctic polar bear appears white all year. The color of the fur is an example of:
1)an adaptation helping an organism to survive.
2)an organism exchanging materials with its environment.
3)an organism responding to internal stimuli.
4)metabolism regulating an organism's activities.
Hi!
It would be 1, because the white fur is a form of camouflage.
Hope this helps!
An adaptation helps an organism to survive. i.e, option A is correct.
What is camouflage?Camouflage, also known as cryptic coloring, is protection or strategy used by organisms to hide their presence and mix in with their surroundings. Camouflage is a technique used by organisms to conceal their presence, appearance, and mobility. This allows predators to sneak up on prey and prey to avoid predators.
Polar bears have white fur to help them blend in with their surroundings. In Arctic conditions, their coat is so perfectly camouflaged that it can be mistaken for a snow drift. Surprisingly, the polar bear's coat lacks white pigmentation; in reality, the polar bear's skin is black and its hairs are hollow.
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Ahmed makes a Venn diagram to compare active transport and passive transport across the cell membrane. Which label belongs in the region marked X?
Uses energy to work
Moves from high concentration to low concentration
Moves across the cell membrane
Is a form of diffusion
Answer:
You did not provide the Venn Diagram but maybe this would help you out.
There are ways molecules move in and out of the cell membrane and they can be categorized as Passive or Active transport.
Here are some descriptions of passive transport, active transport, and both.
Active Transport Both Passive Transport
-Uses energy -Moves across - form of diffusion
-Moves from low cell membrane - Moves from high
to high concentration to low concentration
Hopefully, this will help you fill in your Venn Diagram
The label that belongs in the region marked X in the Venn diagram that compares active transport and passive transport across the cell membrane is Uses energy to work.
In the Venn diagram comparing active transport and passive transport across the cell membrane, the region marked X corresponds to the label "Uses energy to work."
This label accurately reflects the key characteristic of active transport processes.
Active Transport:
Active transport is a cellular process that requires energy to move molecules against their concentration gradient, from an area of lower concentration to an area of higher concentration.
This energy is typically derived from ATP (adenosine triphosphate).
In active transport, proteins embedded in the cell membrane, such as pumps and carriers, actively transport ions or molecules across the membrane, promoting the movement against the natural flow.
Passive Transport:
On the other hand, passive transport refers to the movement of molecules across the cell membrane without the input of energy.
This process occurs along the concentration gradient, from an area of higher concentration to an area of lower concentration.
Passive transport mechanisms include simple diffusion, facilitated diffusion through channel or carrier proteins, and osmosis.
The label "Uses energy to work" appropriately characterizes the unique feature of active transport, distinguishing it from passive transport mechanisms that do not require additional cellular energy for the movement of molecules across the cell membrane.
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A cell is 20 micrometers across. What type of cell is this? A. Plantae B. Eukaryotic C. Animalia D. Prokaryotic
Answer:
EukaryoticExplanation A micrometer (µm) is a unit of length equal to one millionth of a meter20 micrometers is equivalent to 20 x 10^-6 metersBased on the size provided, a cell that is 20 micrometers across is most likely a eukaryotic cellEukaryotic cells are typically larger in size compared to prokaryotic cells, and both animal and plant cells fall under the category of eukaryotic cell.