Dinosaurs existed 4 the same reason that any other animal has existed or does exist. The dinosaurs evolve and were well adapted that they survived 4 millions and millions of years!
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Are exposed to chemical weathering throughout time
Answer:
That would be A. Covalent bond!
Explanation:
Since the bond formed is an ester bond, these bonds are covalent in nature and so the answer is A.!
Competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor.
