A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
They can be used in a posion
This breaking stuff in body and killing you
Mainly because of erosion by the wind, which geographers call abrasion. When the wind blows in some hot deserts it will pick up millions of grains of sand. When the wind hits an outcrop of rock the sand it is carrying is blasted against it. Over time it would form to become that funky mushroom shape.
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Answer:
C.) breakdown of carbohydrates
Explanation:
Carbohydrates store energy. By breaking down carbohydrates, we can access this energy to do tasks, repair our bodies, etc. All of the other answers involve processes that require energy.