Answer: The different layers are a result of lighter parts (such as the continental crust) settling at the surface level and heavier parts (such as iron and nickel in the core) settling in the middle. The layers separate by density, otherwise known as compositional layering. The earth did not always have these layers, as it had to undergo cooling to form some of them (like the continental crust).
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When Denise mixed the blood with water, it formed Osmosis. There is water in the blood as well as a concentration of salt.
Hi,
I think that you're missing some options, but here they are (let me know if I'm right!
-A population of wolves was introduced
-The amount of disease in the deer population decreased
-More grass was planted
Now, if the gene diversity decreased, it means that a lot of deer died. This could happen because wolves were introduced -this is the correct answer, and the wolves ate some deer.
Answer: An adaptation is a change That’s happens to a species of animal over a long period of time. The point of an adaptation is to help the animal survive easier in the wild. An example would be a giraff’s neck. Giraffes adapted to have long necks so that they can reach the leaves on trees.
Explanation:
