Final answer:
Marble forms from limestone through a process called metamorphism, which involves heat, pressure, and chemical reactions. Impurities in the limestone can give marble its colorful markings. Marble is mined from quarries and used for construction and art due to its durability.
Explanation:
Marble is formed when limestone undergoes a process of metamorphism, which is the transformation of rocks due to heat, pressure, and chemical reactions. During this process, the calcite or dolomite in the limestone is recrystallized, resulting in the formation of marble. Impurities in the limestone can give marble its colorful markings.
The metamorphism of limestone into marble occurs deep within the Earth's crust. The intense heat and pressure from tectonic forces cause the mineral composition and texture of limestone to change, resulting in the formation of the harder and more compact marble.
Marble is often mined from quarries and used for various purposes, such as building materials and sculptures, due to its durability and aesthetic qualities.
Complete the following analogy.
mechanical weathering : wind :: chemical weathering : _________
A. gravity
B. erosion
C. freezing water
D. oxidation of iron
A forest has many trees and bushes that produce nuts. This is a major food source for many species, including a particular bird. Birds of this species have a variety in beak shapes ranging from long and pointy to short and hard. The birds with short and hard beaks are able to eat the nuts better than the birds with long and pointy beaks. What do you expect to happen to this population of birds over time, in terms of what you know about evolution? Address all four principles of natural selection in your explanation.
Answer: There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection. After a while the birds will get old and their beaks will get weaker, eventually they will die, when there is a shortage of food they will start harming each other in order for it, that’s selection.
Birds with short, hard beaks can eat nuts more efficiently than birds with long, pointy beaks.
The following would happen to a population of birds with short and hard beaks over time:
The rivalry( more birds than food)Birds with short beaks are more likely to survive.Birds with short beaks live longer lives and reproduce more.What is evolution?Evolution in biology is the change in a species' characteristics over several generations that is based on natural selection.
What is natural selection?Natural selection theory states that individuals who are less adapted to their environment are eliminated and those who are better adapted are selected by nature.
Principles of natural selection4 principles of natural selection are as follows:
Variation:
Individuals in all species differ in their genetic makeup, resulting in many variations in their physical features.Individuals within a population differ from one another.Inheritance:
Individuals pass on some of their genetic material to their children, and parents pass on their characteristics to their children.Selection:
Some people have inherited traits (genes) that enable them to live longer or have more children. These offspring are more likely to survive and have children of their own. As a result, their genes spread throughout the population; some variants reproduce more than others.Time:
The selection causes changes in species over time. These modifications may take days, decades, or millions of years to take effect; successful variations accumulate over time.Thus, we can conclude that the 4 principles of natural selection are variation, inheritance, selection, and time and birds with short and hard beaks will compete against each other and the most suitable will survive.
You can learn more about natural selection here:
https://brainly.com/question/23929271
#SPJ2
which planet is an inner planet and which is an outer planet
Answer:
Inner planets: Mercury, Venus, Earth, Mars
Outer planets: Jupiter, Saturn, Uranus, Neptune
Explanation:
Inner planets are planets who have an orbit that is within the asteroid belt, they are closer to the sun. Theses include Mercury, Venus, Earth, and Mars. Outer planets are planets are the gas giants, they are called gas giants because they are mainly made up of gas and liquid. These include Jupiter, Saturn, Uranus, and Neptune.
Answer:
Inner planet :-
mercuryVenusearthmarsouter planet :-
JupiterSaturnUranus NeptuneExplanation:
inner planet is made up from rock
outer planet is made up from gases
all outer planet have it own ring but only Saturn ring can be seen
well if you has any questions about astronomy you can ask me :)
To be accurate, a theory must continue to explain _____.
a.)new data
b.)new methods
c.)new inferences
d.)new ideas
HELPPP
How does a coronal mass ejection (CME) affect the solar wind?
A CME adds more particles to the solar wind, intensifying it.
A CME does not affect the solar wind but it does affect auroras.
A CME blocks the solar wind, causing it to fade.
A CME increases the amount of energy in the solar wind.
Answer:
Option A
Explanation:
Corona is defined by the strong magnetic fields. When these strong magnetic fields confine solar atmosphere and produces violent bubble of gases then it is said to cause coronal mass ejection (CME).
When a CME passes through the solar wind, it causes production of high velocity solar energetic particles that follow magnetic field lines and passes through the space between the Sun and the Earth. The charged particle added by CME intensifies the solar wind.
Hence, option A is correct
Final answer:
A CME adds more particles to the solar wind, intensifying it and causing various effects on Earth such as heating the ionosphere, increasing atmospheric drag on satellites, and the potential for solar storm damage.
Explanation:
A coronal mass ejection (CME) affects the solar wind by adding more particles to it, thus intensifying the solar wind. These ejections send tens of millions of tons of coronal material, primarily protons and electrons, into interplanetary space at high speeds of 500-1000 kilometers per second. This increased density and energy can have various effects on Earth, including heating the ionosphere, expanding it, and causing disturbances to satellites and communications systems due to increased atmospheric drag. Furthermore, when a CME reaches Earth, it can distort Earth's magnetic field, potentially leading to solar storm damage by inducing electrical currents and accelerating electrons to high speeds, which can adversely affect satellite operations.
An organism is made of many cells,cannot move on its own, and absorb food from its environment.what kingdom does it belong to
Answer:
Plant kingdom- Plantae
Explanation:
This would be the most logical answer since according to the description, it is a multicellular organism that absorbs food from its environment, which would be the soil,
Viruses cause disease by destroying _____ and by disrupting the body's natural homeostasis.
A. cells
B. influenza
C. tissues
D. organs
The answer is A, cells, as viruses infiltrate cells, make copies of themselves in them, and then lyse the cell and spread.
Some people have freckles, and some people do not have freckles. If a child has freckles, at least one parent has freckles.
However, the child may have a sibling that does not have freckles. Which statement best describes the presence of freckles?
Freckles are not determined by DNA.
There are two alleles for freckles.
There is no dominant allele for freckles.
Freckles are determined by two genes instead of by one.
Answer:
B) There are two alleles for freckles.
Explanation:
It's right on Edge 2020
B. The statement that best describes the presence of freckles is there are two alleles for freckles.
What are freckles?
Freckles are extra patches of coloring or pigment under the skin often called ephelides.
If some people have freckles, and some people do not have freckles and If a child has freckles, at least one parent has freckles.
Thus, the statement that best describes the presence of freckles is there are two alleles for freckles.
Learn more about freckles here: https://brainly.com/question/15580490
#SPJ9
Which of the following is not a characteristic of animals?
Question options:
Their cells contain a nucleus.
They are photosynthetic.
They are multicellular.
The statement "They are photosynthetic" is not a characteristic of animals (option B)
Why is this true?All creatures, in the animal kingdom are made up of cells classified as eukaryotes which means their cells contain a nucleus and various organelles.
In terms of nutrition animals are classified as heterotrophs, which implies that they are unable to produce their sustenance and must rely on consuming organisms for nourishment.
Animals lack the capability to perform photosynthesis. Thus they must source their energy from means, such, as consuming plants or other animals.
Learn about why animals are not photosynthetic here https://brainly.com/question/21770918
#SPJ6
Juanita and Juan visit a marriage counselor because they are contemplating divorce. Although the couple started out blissfully in love, they are not getting along well, especially since their children reached their teens. Based ONLY on the U-shaped curve ofmarital satisfaction, what should the therapist advise?
A)"Hold off on divorcing. You are apt to reconnect with each other at the empty nest."
B)"If you are not happy now, you'll feel worse after the children leave."
C)"Expect to feel exactly the same way about each other after the children leave."
D)"There is no research that addresses this issue."
Answer: The correct answer to the question is option A
HOLD OFF ON DIVORCING.YOU ARE APT TO RECONNECT WITH EACH OTHER AT THE EMPTY NEST.
Explanation: The U-shaped curve of marital satisfaction simply explains that there is always maximum happiness and marital satisfaction in the beginning of marriage or any relationship, however,this happiness and fulfilment isn't long-lived,the happiness declines with age due to overwhelming parental duties and obligation.but the good this out of it is that the declining marital happiness and fulfillment will definitely rise again if the relationship or marriage stand the rest of time through mutual understanding and appropriate/adequate communication and love.
So in a nutshell,we can say that marriages are happiest during the period of honeymoon that is few months following weddings if there is, then this happiness declines but further rises at the empty next.
Which type of energy used on earth comes directly from the sun
Answer:
solar radiation
Explanation:
HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!!!!!!!
Answer:
raven, grasshopper mouse, and a coyote.
Explanation:
Answer:
I'm glad you asked!
Explanation:
Beavertail Cactus is a not a omnivore.It does not eat anything.
Kitfoxes are omnivores because they eat plants and insects.
A normal raven is a omnivore but most of the time of the time,they eat meat.
Grasshopper Mouse is a carnivore.It eats grasshoppers.
Coyotes are omnivores.They will eat anything!
The data shows that recently the shark population has increased. How will the increase in the shark population affect the other populations? Be sure to explain whether the sea otter population, the sea star population, and the clam population will change, and why
Answer:
There is no data to show but there would definitely be a decrease in the population of the other organisms in lower trophic level (sea otter).
Explanation:
This question involves an aquatic food chain involving organisms like clams, sea stars, sea otters, and sharks. In this question, the shark appears to occupy the highest trophic level i.e. tertiary consumer. Ideally, as the food chain progresses from the lowest to highest trophic level, the population of each organism decreases.
However, an increase in the population of sharks will mean more mouths to feed on other consumers. Hence, causing a decrease in the population of other organisms in lower trophic level especially the organism that occupies the secondary consumer trophic level.
An increase in the shark population can decrease the populations of their prey, like sea otters and sea stars, possibly leading to an increase in their prey, such as clams. However, the impact is complex and depends on the specifics of the ecosystem, including factors like overfishing and environmental changes.
Explanation:The recent increase in the shark population is likely to have a cascading effect on other marine populations. As apex predators, sharks control the populations of other marine species through predation which maintains the health and balance of the ecosystem. With more sharks, the populations of their prey, like sea otters and sea stars, may decrease due to increased predation. This, in turn, could lead to an increase in the populations of sea otters' and sea stars' own prey, such as clams, if sea otters and sea stars are less numerous to hunt them.
However, the overall impact on the sea otter population, sea star population, and clam population depends on the complexity of the ecosystem and the specific feeding relationships. For instance, if sea otters are heavily preyed upon by sharks, their decreased numbers could lead to an unchecked growth in sea urchin populations, which sea otters usually keep in balance. Sea urchins feed on kelp and could decimate kelp forests, negatively impacting many species dependent on this habitat. Conversely, a reduced sea star population could allow for the bivalve populations, including clams, to increase, potentially leading to overgrazing on their food resources.
It's important to note that the dynamics of marine ecosystems are highly complex and influenced by multiple factors including human activities such as overfishing and environmental changes. For example, commercial fishing activities disproportionately targeting large predatory fish such as sharks effect a process known as 'fishing down the marine food web' which can destabilize marine ecosystems. Therefore, changes in shark populations should be monitored and managed carefully to ensure the health of the overall marine ecosystem.
PLZ HELP 13+points
Burning fossil fuels releases CO2 into the atmosphere. What potential threat can it cause to Earth? *
A)a decrease in water levels
B)a rise in global temperatures
C)an inability of plants to conduct photosynthesis
Answer:
B.
Explanation:
When fossil fuels are burned, they release carbon dioxide and other greenhouse gases, which in turn trap heat in our atmosphere, making them the primary contributors to global warming and climate change
Answer:
B
Explanation:
A rise in global temperatures
An organism's phenotype refers to its
diploid.
traits.
оооо
alleles.
genes.
Answer:
Genes
Explanation:
Which statement best describes an understanding of genetics that would be missing without the work of Mendel?
The DNA codes for traits would not be known.
The protein codes for traits would not be known.
Some alleles are dominant, and some alleles are recessive.
Offspring receive two copies of each allele from each parent.
Answer:
Some alleles are dominant, and some alleles are recessive.
Explanation:
For a recessive allele to generate a recessive phenotype, the individual must exhibit two copies from each parent. An individual with a dominant and one recessive allele for a gene will exhibit the dominant phenotype. A cross between a homozygous recessive and homozygous dominant will always articulate the dominant phenotype, while still exhibiting a heterozygous genotype.
State two ways to keep muscles strong?
Answer:drinking milk, and eating veggies
, inherited traits that increase an
organisms chance of survival, also determine an
organism's niche.
Answer:
An organism's habitat and inherited traits determine its niche
Explanation:
After photosynthesis is finished inside of a plant, six molecules of oxygen have been produced, as well as a single molecule of C6H12O6, otherwise known as
In photosynthesis, a plant uses sunlight, carbon dioxide, and water to produce glucose and oxygen. This two-part process, encompassing light-dependent and light-independent reactions, converts low-energy molecules into high-energy ones.
Explanation:After photosynthesis occurs inside a plant, six molecules of oxygen and one molecule of glucose (C6H12O6) are produced. This occurs through a multi-step process that utilizes energy from sunlight, carbon dioxide, and water (6CO₂ + 6H₂O) to create glucose and release oxygen (C6H12O6 + 6O₂). Essentially, the plant uses light energy to convert low-energy molecules (carbon dioxide and water) into high-energy molecules (glucose and oxygen), which are crucial for life.
This is depicted in the overall equation for photosynthesis. However, it is important to note that while the equation looks simple, in reality, photosynthesis consists of two parts: the light-dependent reactions and the light-independent reactions or Calvin cycle. These stages involve various intermediate reactants and products, making the process much more complex than it initially appears.
Learn more about Photosynthesis here:https://brainly.com/question/29764662
#SPJ2
A population of arctic hares burrows into the snow for shelter. It is found
that the hares on the smaller side are able to burrow between rocks, as
well, providing extra protection from predators. Over time, the hare
population becomes smaller in size, shifting the normal distribution curve for
hare size.
What type of selection is this?
Answer:
well, providing extra protection from predators. Over time, the hare
Explanation:
Artic hares are commonly found in northern Canada and coasts of Greenland. Some are found in artic Europe and Asia. They are found on sea icing and are herbivore dependent on land plants for food. 20% mass part of their body is fat insulation and they are low climate animal. They dig into the ground or burrow under the snow during cold weather. It's a way to offer protection against the harsh weather and protection against predators. This is a form of behavioral selection.
Final answer:
Arctic hares that are smaller in size are favored by environmental pressures because they can hide in snow burrows and rock crevices, leading to directional selection which shifts the population's size distribution curve towards smaller sizes.
Explanation:
The situation described with the population of arctic hares demonstrates a phenomenon known as directional selection. This type of selection occurs when environmental pressures favor one extreme of a trait distribution, in this case, smaller size in hares. As smaller hares can burrow into the snow and also fit in crevices among rocks for protection from predators, they are more likely to survive and reproduce, passing on their genes for smaller body size. Over time, this selective pressure results in the overall population becoming smaller, shifting the normal distribution curve for hare size towards the smaller end.
Wild salmon spend most of their lives in the ocean but return to freshwater rivers to spawn, or reproduce. Most wild salmon will only spawn in specific spawning grounds in the rivers in which they were born. The construction of hydroelectric dams in rivers has blocked the paths of some salmon returning to their spawning grounds. This has led to population declines. Which method would be most effective in preventing further wild salmon population declines caused by the construction of hydroelectric dams?
Answer:
The creation of natural sanctuaries may be a useful approach to combat the extinction of this species
Explanation:
Natural sanctuaries are areas protected by the Government. These delimited areas preserve the habitat of native species with the aim they can reproduce and thus avoid their extinction.
Answer and Explanation:
Answer: A
Constructing passage ways near the dams to allow to salmon to swim around blocked rivers.
The development of dams in streams has hindered the way of certain salmons getting back to bringing forth grounds. The most ideal approach to defeat this is to make the entry ways close to the dams to permit salmons to swim in regions which have impeded because of dams. So salmons can got back to the producing ground and can generate which prompts increment in their populace.
Which of the following is not true statement: When the egg hatches, the baby salmon can find its own food right away. The baby salmon knows where to go after hatching. The baby salmon needs the adult salmon to teach it how to navigate. The baby salmon can protect itself from predators.
Answer:
This is a behavior called natal homing. In the behavior, the animal uses geomagnetic cues from the earth as a way of finding its way back to the location it was born as a way of spawning or breeding in the same location.
Explanation:
Hope it works!^^
Final answer:
The incorrect statement about baby salmon is that they need adult salmon to teach them how to navigate. Baby salmon are born with the instincts they need for survival and navigation, and they embark on their journey alone, using their innate behaviors and keen sense of smell.
Explanation:
The statement that is not true about baby salmon is: The baby salmon needs the adult salmon to teach it how to navigate. When salmon hatch from their eggs, they already possess the instincts necessary to find food and begin their journey downstream towards the sea. Unlike ground-nesting birds, baby salmon, newly hatched as larvae with a yolk sac, do not require their parents to teach them how to survive. Rather, they rely on innate behaviors. As juveniles, they embark on a perilous trek downriver to the ocean, facing predators such as bears and eagles along the way. After spending years in the ocean growing and feeding on an abundant diet, mature salmon return to spawn at their birthplace, guided by their remarkable homing instincts, which scientists believe may be linked to their keen sense of smell.
how does molecules in the air that come into the plants leaves affect the plants mass
Answer:
The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plantsconvert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water
The hair colors of the members of a family are listed below.
mother - brown hair
father - blond hair
older son - brown hair
younger son-blond hair
The hair colors of the sons are most likely a direct result of
1
natural selection in males
2
heredity
3.
evolution
4.
environmental influences
Answer:
2
Explanation:
Hair color can be determined by making a punnet square, and this involves heredity. this problem does not show natural selection or evolution, as well as environmental influences
True or false: Bacterial endospores are reproductive structures.
Bacterial endospores are not reproductive structures. They are a form of dormant stage used by some bacteria to survive in harsh conditions. They can revert to a functioning bacterium when conditions improve.
Explanation:False, bacterial endospores are not reproductive structures. Rather, they are a type of dormant stage used by certain bacteria to survive in harsh conditions when nutrients are scarce. Unlike reproductive structures, endospores do not give rise to new organisms under normal conditions but can develop into a fully functioning bacterium when conditions improve. For instance, bacterial species such as Clostridium and Bacillus can form endospores.
Learn more about Bacterial endospores here:https://brainly.com/question/32633108
#SPJ6
How do whales survive?
Answer:
they have a skin of blubber that helps them survive.
Explanation:
what are two different things that bind the two different ends of a tRNA molecule __________and___________
Answer: Anticodon and acceptor stem.
Explanation:
At one end of the L lies the anticodon; at the other is the acceptor stem. The L-shaped structure simply amplifies the two active ends of tRNA: the anticodon and the acceptor stem.
Anticodon and amino acid acceptor site are two different things that bind the two different ends of a tRNA molecule.
What are anticodons?Anticodons are sequences of three nucleotides in transfer RNA (tRNA) that are complementary to a specific codon in messenger RNA (mRNA). During protein synthesis, the anticodon pairs with a codon on the mRNA, thereby determining the amino acid that will be added to the growing protein chain.
The anticodon plays a critical role in ensuring that the correct amino acid is incorporated into the protein, and its proper pairing with the codon is crucial for the proper folding and function of the resulting protein. Anticodons are essential components of the translation process and are therefore important for the proper functioning of cells and organisms.
Learn more about anticodon, here:
https://brainly.com/question/1593989
#SPJ6
How many people were there in 1850?
Answer:
There were 1.2 billion persons in the year 1850
Explanation:
Choose a career option in marine science and do some online research to determine:
what a person with that job actually does all-day
the education required for that position
the starting salary range
the skills needed (such as technological skills)
Answer:
Ocean Engineering what they do all day? It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
Explanation:did that help
It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
List 2 ways prays can avoid predators
Answer: Prey can avoid predators by minimizing their movement and their presence.
Explanation:
Prey minimize their presence and avoid predators by staying silent, staying in their refuge, and reduce their overall activity levels.