A large rock breaks down into sediment (Erosion), The water transports and deposits the sediments (Erosion)
What is sediment?Sediment is a general term that refers to any material which is present in a loose, unconsolidated form and is made up of particles of rock or mineral fragments. It is typically found in rivers, lakes, seas, and oceans, and can range from silt and sand, to gravel and pebbles, clay, and even organic material like bones and shells. Sediment can be created by weathering, erosion, and transport of materials from their source. It can also form through chemical precipitation and biogenic processes. Sediment is important in the environment as it helps to protect the aquatic species by providing a safe habitat, and it is also used as a reservoir for nutrients that can be used by other organisms.
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Final answer:
The two steps that involve erosion are when 1. A large rock breaks down into sediment and when 2. The water transports and deposits the sediments. Erosion encompasses both the breakdown and transportation processes.
Explanation:
The two steps that involve erosion in the formation of sedimentary rock at the bottom of a river are:
A large rock breaks down into sediment. This is the initial stage where physical or chemical weathering breaks down the rock into smaller particles.The water transports and deposits the sediments. During transportation, the particles are eroded further as they are carried by the water flow to new locations where they will eventually be deposited.Erosion is essentially the process where materials are broken down and then transported from their original location. Sediments transported by water, wind, or glacial ice are examples of erosion at work, whereas deposition occurs when these sediments are laid down in new environments, such as the bottom of a river.
Dina is a paleclimatologist. She wants to review documents to assess climate data for her hometown. Which historical documents should Dina examine in order to asses the climate data?
Dina should examine _____ (newspaper articles, television documentaries, Shakespeare's plays) and _____ (radio programs, farmers' harvest yeild records, fashion magazines) to find historical climate data for her hometown.
Answer:
Newspaper articles and farmers harvest yield record
Explanation:
Paleclimatologists study climate where there are little records about the weather.
A paleoclimatologist such as Dina could use newspaper articles and farmers' harvest yield records to assess the historical climate data of her hometown. These sources provide firsthand accounts of weather changes and long-term climate trends.
Explanation:As a paleoclimatologist, Dina can gather historical climate data from several different sources. However, the most helpful documents would likely be newspaper articles and farmers' harvest yield records. Newspaper articles can provide firsthand accounts of weather phenomenons such as heatwaves, storms, droughts, and cold spells. Farmers' harvest yield records, on the other hand, can illuminate long-term climate trends. For instance, bumper crops can suggest periods of favorable weather, whereas poor yields could point to adverse climates. Therefore, these documents can provide valuable context for a climate study in her hometown.
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2. Two Dalmatians had a large litter of 10 puppies. Seven of them have black spots, while 3 do not. What would the genotypes of the two parents need to be for this result? Create a Punnett square to support your answer.
Answer:
The parents would have both have to be Bb or heterozygous for black spots in order to have 7 out of 10 or about 75% of puppies with black spots.
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In humans, detached earlobes are dominant over attached earlobes. Do a
Punnett Square between 2 heterozygous people with detached earlobes. Give
the genotypic and phenotypic percentages of the offspring.
Please Help
Answer:
The Punnet Square would be:
With E being detached earlobes and e being attached earlobes
EE, Ee, Ee, ee
So they would have a 75% chance of a child with detached earlobes and a 25% chance of a child with attached earlobes— If both parents are heterozygous.
In photosynthesis, what form of energy is sunlight converted to, and how is 1 point
this energy stored? *
Answer:
Sunlight is converted to chemical energy in the form of ATP, which is the main energy-storing molecule in living organisms.
Explanation:
Researchers are studying lichens growing on trees in a forest ecosystem. At the beginning of the study, the researchers identified twelve lichen species in the forest. Later, a forest fire happened in the study area. The researchers returned to the area and found only six lichen species. What inference is best supported from the researchers observations?
Answer:
Certain lichen species are better adapted to survive forest fires than others.
We can conclude that Initial area of the forest was suitable for lichens whereas the later area was not suitable for lichens.
What are lichens?Lichens do not have vascular tissue like xylem and phloem to carry nutrients and water throughout their thalli like a plant does, nor do they have a waxy coating like plants do on their leaves.
The structure of the lichen incorporates everything in its surroundings. Lichens obtain their water and nutrients from the air and rain that fall on them. A lichen's basic structure is made up of layers of fungus and algae.
If there is already a green algal layer present, cyanobacteria can be found in a layer beneath the upper cortex or in microscopic pockets on top of the upper cortex. The lichen will be dark green, brown, or black in color thanks to cyanobacteria.
Therefore, We can conclude that Initial area of the forest was suitable for lichens whereas the later area was not suitable for lichens.
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The________biome is found in the Arctic circle. It has few plants or animals and is the only biome to contain permafrost.
Answer:
Arctic tundra
Explanation:
Answer:
Arctic tundra
Explanation:
Arctic tundra has permafrost, which is soil that is frozen year-round. The top layer of soil thaws in the summer, but deeper layers do not. As a result, water cannot soak into the ground.
2. Oxygen is delivered from the lungs directly to your blood stream
Oxygen enters the bloodstream through the alveoli in the lungs via simple diffusion. Oxygen-rich blood is then circulated through the body by the heart, travelling from the aorta to smaller arteries and capillaries.
Oxygen is delivered from the lungs directly to your bloodstream. This vital process begins when oxygen enters the lungs, then passes through the alveoli, which are tiny air sacs where gas exchange occurs. Here, through the mechanism of simple diffusion, oxygen moves into the blood. The oxygen-rich blood then returns to the heart and is pumped through the aorta.
From the aorta, oxygenated blood is distributed to smaller arteries and finally reaches the capillaries, the smallest blood vessels that deliver oxygen to the tissues. The lungs also play a role in exerting pressure on the air to reduce the oxygen pressure, facilitating this transfer.
In summary, the respiratory system, specifically the lungs, plays a critical role in ensuring that red blood cells pick up oxygen and transport it throughout the body, analogous to trucks on a highway system, with oxygen being the vital cargo.
Oxygen is delivered from the lungs to the bloodstream through a process called gas exchange, which occurs in the alveoli of the lungs.
Breathing In: When you inhale, air enters your lungs through the trachea (windpipe) and flows into the bronchial tubes, which then divide into smaller air passages called bronchioles. Eventually, the air reaches the alveoli, which are tiny air sacs at the end of the bronchioles.
Gas Exchange: In the alveoli, oxygen from the inhaled air diffuses across the thin walls of the alveoli into the surrounding capillaries, which are small blood vessels. At the same time, carbon dioxide (a waste product of metabolism) diffuses from the capillaries into the alveoli to be exhaled.
Oxygen Transport: The oxygen molecules that diffuse into the capillaries bind to hemoglobin, a protein found in red blood cells. Hemoglobin has a high affinity for oxygen, so it readily binds to oxygen molecules. Once bound to hemoglobin, the oxygen is carried by the red blood cells throughout the body via the bloodstream.
Circulation: The oxygen-rich blood is then pumped by the heart to various tissues and organs of the body. In the capillaries of the tissues, oxygen is released from hemoglobin and diffuses into the cells, where it is used for cellular respiration to produce energy.
Carbon Dioxide Removal: As cells use oxygen for metabolism, carbon dioxide is produced as a waste product. Carbon dioxide diffuses from the cells into the bloodstream and is transported back to the lungs, where it is exhaled during breathing out.
This is the complete Question
how oxygen is delivered from the lungs directly to your blood stream ?
Which of the following accurately compares nearsightedness and farsightedness? (1.0 points)
A)Nearsightedness results when the image is focused on an area beyond the retina, whereas farsightedness occurs when the point of focus does not reach the retina.
B)Nearsightedness results when the eye is too shallow, whereas farsightedness results in a blurry image.
C)Nearsightedness occurs when the point of focus does not reach the retina, whereas farsightedness results when the image is focused on an area beyond the retina.
D)Nearsightedness occurs when the lens focuses light onto the retina, whereas farsightedness results when the image is focused beyond the retina.
Answer:
C
Explanation:
Nearsightedness is what happens when the image does not reach the retina whereas farsightedness happens when light is focused beyond the retina.
A population of sagebrush lives in a grassland ecosystem. Over several years, erosion causes the soil of the grassland to have an increasing amount of sand in it. The data below was collected by scientists studying the ecosystem.
Year Percentage of
Sand in Soil Average Height of
Sagebrush (meters) Number of
Sagebrush Plants
1 38 1.15 120
2 42 1.16 129
3 45 1.14 137
4 51 1.15 145
If the soil is 53% sand next year, which of the following statements is the most likely prediction?
A.
The average height of the sagebrush will decrease.
B.
The average height of the sagebrush will increase.
C.
The size of the sagebrush population will increase.
Answer:
C
Explanation:
Answer:
C
Explanation:
I just had the question
How could a change in the size of the walleye pollock population cause an increase in the size of the moon jelly population?
u must have been a change to the birth rate or the death rate in the moon jelly population. Within a population, organisms are always being born and dying. ... zooplankton; a decrease in walleye pollock, leading to an increase in zooplanktonanation:
Final answer:
A decrease in the walleye pollock population can lead to an increase in the moon jelly population due to reduced predation on the jellies' food sources, demonstrating the interconnected nature of marine ecosystem dynamics.
Explanation:
Changes in the size of the walleye pollock population can impact the moon jelly population through a cascading effect in the marine food web. When the walleye pollock population decreases, possibly due to overfishing or environmental changes, their predation pressure on the jelly's prey also lessens. Consequently, with fewer predators consuming their food sources, moon jellies may experience a boom in the food available to them, such as zooplankton, allowing the jelly population to grow.
This demonstrates a fundamental concept in ecology where the populations of predators and prey are interconnected. Fluctuations in one part of the food web can lead to changes in other populations. Examples include the impact of PCB presence on higher trophic levels, the introduction of fish farms affecting local fish species, or how the size of fish can influence their reproductive success. Disruptive events, such as overfishing, can therefore not only affect the targeted species but also have unexpected consequences on ecosystem dynamics.
Which type of cnidarian is found commonly in both salt water and fresh water?
a. hydras
b. jellyfish
c. corals
d. sea anemones
Answer:
A) Hydras
Explanation:
Answer:
A: hydras
Explanation:
got it right on edge
To be considered a tornado, what does it have to be in contact with?
why are cat's scared of cucumbers?
Answer:
the cats think its a snake so they going into a defensive reaction
Cats may be scared of cucumbers because they mistake them for predators like snakes, triggering their instinctual fight-or-flight response. The element of surprise also contributes to this fear. Scaring cats in this way can be harmful and stressful to them.
The question of why cats are scared of cucumbers can be explained by combining a few principles of biology and behavior. When a cat encounters a cucumber, it may mistake it for a predator or a snake, both of which pose a potential threat. This sudden appearance triggers a cat's instinctual fight-or-flight response, causing fear and alarm.
Additionally, the surprise element comes into play; cats are not expecting an object to be behind them when they are eating or in a relaxed state. Thus, the unexpected presence of a cucumber (or any object that sneaks into their personal space) can lead to a startled reaction.
It is also important to note that scaring cats with cucumbers or any object can be harmful and stressful to them. It is best for their well-being to refrain from creating these scenarios.
Subduction zones form when an oceanic plate collides with another oceanic plate or continental plate. The continental crust is lighter and less dense than oceanic crust. Continental crust's density is approximately 2.7 grams per cubic centimeter. Oceanic crust is thinner and the average density is about 3.3 cubic centimeters. When the two crustal plates converge the oceanic plate always bends and subducts beneath a continental plate. Consider this image of a typical subduction zone. Where would you expect intrusive igneous rocks to form?
A) A.
B) B.
C) C.
D) D.
Answer:B
Explanation:
when a tall plant is crossed with a short plant some of the offspring are short. what are the genotypes of the parents?
If the tall plant is heterozygous (T,t) the genotypes would be Tt,Tt,tt,tt.
If the tall plant is homozygous (T,T) the genotypes would be Tt,Tt,Tt,Tt.
hope that helps :)
Which of the following tests might confuse blood with leather?
A.
Takayama
B.
Kastle-Meyer
C.
Teichmann
D.
LCV
Answer:
the answer is a
Explanation:
Answer:
Teichmann
Explanation:
Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. What is the probability of having offspring that have wrinkled seeds and yellow seed color for the cross RRYY ´ RrYy? 0 percent 25 percent 50 percent 100 percent
Answer:
0%
Explanation:
This question involves two distinct genes; one coding for seed shape and the other for seed colour. The allele for you seeds (R) is dominant over the allele for wrinkled seeds (r) in the first gene while the allele for yellow seeds (Y) is dominant over allele for green seeds (y).
In a cross involving RRYY (homozygous dominant for both traits) and RrYy (heterozygous for both genes), the following allelic combinations of gametes will be produced:
RRYY- RY, RY, RY, RY
RrYy- RY, Ry, rY, ry
Using these gametes in a punnet square (see attached image), 16 possible offsprings will be produced. The genotypes of the offsprings in the ratio 1:1:1:1 will be:
RRYY (4)
RRYy (4)
RrYY (4)
RrYy (4)
According to the question, offspring that have wrinkled seeds and yellow seed color will have genotype: rrYY or rrYy.
This genotype is not one of those that will be produced by the cross between a RRYY and RrYy parent. Hence, the probability of having an offspring with wrinkled seeds and yellow seed color is 0%
Answer:A
Explanation:
What is the best reason to color-code a map?
O to explain geographic regions to the reader
o to describe geographic regions to the reader
O to help the reader quickly locate geographic regions
o to help the reader briefly sum up geographic regions
I'd say to help the reader quickly locate geographic regions.
Answer:
C) To help the reader quickly locate geographic regions
Explanation:
Give two abiotic factors which will affect the growth on a school playing field
4. If index of refraction 1 is 1.5, index of refraction 2 is 2.0, and the angle of incidence is 45 degrees, what is the angle of refraction?
15 index ofreaction 21820 and the angle of medence is as degres what's the angle of reaction
16 degrees
32 degrees
48 degrees
64 degrees
Answer: The angle of refraction is 32°
Explanation:
By snell law, we have that:
n₁*sen(θ₁) = n₂*sen(θ₂)
Where n₁ = 1.5
n₂ = 2.0
θ₁ = 45°.
then we want to find the angle of refraction.
1.5*sin(45°) = 2*sin(x)
x = Asin(1.5*sin(45°)/2) = 32°
The angle of refraction is 32.0 degrees
Refractive index and Shell's lawSnell’s Law describes how a ray of light will change direction as it passes from one medium into another, or as it is reflected from the interface between two media.
Snell's law states that:
n1 * Sinθi = n2 * Sinθrwhere;
nA is refractive index of media Aθi is the angel of incidence in media 1n2 is the refractive index of media 2θr is the angle of refraction in media 2Using the formula above
1.5 * sin 45 = 2.0 * sin r
sinr = 1.5 × sin 45/2
r = 32.0 degrees
Therefore, the angle of refraction is 32.0 degrees
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What does a wave carry?
force
A scientist sketches bacteria observed in different samples. Which question is the scientist most likely trying to answer about the bacteria? What methods of reproduction do they use? How large is the nucleus in each bacterium? Which types of bacterium are in each sample? How many cells make up each bacterium?
Answer:
Which types of bacterium are in each sample.
Explanation:
Different kinds of bacterium have different configuration. After sketching them, the scientist can then compare the configurations to the configuration categorized into different genuses.
Hope this helps!
The illustration shows many bacterial cells of various sizes and shapes. The pink bacteria stand in for rod-shaped bacteria, the dark-green bacteria for spiral-shaped bacteria. The correct option is C.
What is bacteria?Bacteria are common, largely free-living organisms that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom.
Bacteria, which are typically a few micrometers long and were among the first life forms to appear on Earth, are found in the majority of its habitats. Bacteria are prokaryotic, unicellular, members of the Monera kingdom.
Bacteria come in a wide range of sizes and forms, and they can be categorized based on these characteristics, such as rod-shaped, spherical, comma-shaped, spiral, or corkscrew.
Numerous bacterial cells of diverse shapes and sizes are depicted in the graphic.
The light-green bacteria represent spherical bacteria, the dark-green bacteria represent rod-shaped bacteria, and the pink bacteria represent spiral-shaped bacteria.
Thus, the correct option is C.
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Your question seems incomplete, the missing image is attached below:
Hurricanes are more destructive than tornados due to ...
a. their shorter duration
b. the combination of high winds and flood waters
Selected:c. all of the aboveThis answer is incorrect.
d. coastal storm surges
Answer:
B.) the combination of high winds and flood waters
Explanation:
Hurricanes contain coastal storm surges, high winds, flood waters. Hurricanes also last longer than tornadoes. Hurricanes can last days and maybe even weeks.
The answer would the combination of high winds and flood waters because winds can reach at least 156 mph with a category 5 hurricane. A category 1 hurricane can produce 74 to 95 mph winds. For comparison, an EF0 tornado can produce 65 to 85 mph winds. As for flooding, most of the locations that experience hurricanes are coastal areas, meaning they are situated around an ocean. Since there is a lot more water in the ocean than in a lake, like Lake Michigan or Lake Huron, there is a lot more water that can drown a city. As years pass, hurricanes are getting more and more devastating due to climate changes. More places will get destroyed by hurricanes, high wind, and flood waters.
The occurrence of large or small beak size among seed crackers in the absence of medium sized beaks is an example of
1) directional selection
2) disruptive selection
3) normal distribution
4) stabilizing selection
Answer:
2) disruptive selection
Explanation:
Disruptive selection is a type of natural selection that acts against less fit heterozygotes. The disruptive selection can be represented by a decrease in the variance of a trait. In this case, the disruptive selection eliminates the medium-sized beaks, thereby favoring the extreme phenotypes in an interbreeding population.
Final answer:
The situation where seed crackers have large or small beaks, but not medium-sized beaks, is an example of 2) disruptive selection. This selection process favors the survival of individuals with extreme traits over those with intermediate traits.
Explanation:
The occurrence of large or small beak sizes among seed crackers in the absence of medium-sized beaks is an example of disruptive selection. Disruptive selection, also known as diversifying selection, occurs when extremes of a trait are advantageous and the intermediate phenotypes are selected against. Over time, this selection pressure may lead to the population evolving into two distinct species.
In the given scenario, no medium-sized seeds are available, making birds with medium-sized beaks less efficient at consuming resources compared to their counterparts with either large beaks or small beaks. As a result, these birds with medium-sized beaks may have lower survival and reproductive success, leading to an increased frequency of extreme beak sizes within the population.
These sunbathers are warming up in the bright sun. This is an example of what type of thermal energy transfer? Question 18 options: conduction convection radiation
Answer:
I think it's Radiation!
Explanation:
Name 1 way an abiotic factor interacts with another abiotic Factor.
Answer:
Wind shaping rocks is an example.
Explanation:
Abiotic factors are factors that aren't from a living creature. Wind picks up sharp grains that carve rocks over millions of years. Other examples include:
Water shaping rocks
Earthquakes creating riverbeds.
And much more!
Hope this helps!
A prokaryotic organism might be classified in the Domain of ___________ because ______________.
All plants are able to complete the process of Which means they are able to use energy from sunlight to make food
Answer:
Photosynthesis
Explanation:
A person who is interested in learning more about how glands produce and release hormones might pursue a career in
Group of answer choices
reproductive science
gene therapy
neuroscience
endocrinology
endocrinology
Explanation:
the answer is likely to be endocrinology because it deals with glands and hormones
Ans: endocrinology
Explanation: The meaning of endocrinology is, endocrinology (from endocrine + -ology) is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions are known as hormones.
Match each layer of the Sun to its description
radiation zone
outermost layer of the Sun's interior
convection zone
energy-producing part of the Sun's
interior
core
middle layer of the Sun's interior
Answer:
core; energy-producing part of the sun's interior
radiation zone; middle layer of the sun's interior
convection zone; outermost layer of the sun's interior
Explanation: