Why are the ideas that Earth undergoes change and is billions of years old
important for evolutionary theory?

Evolution often happens over long periods of time. The fact that Earth can change over time inspired the idea that organisms can also change. Earth's great age makes it possible for significant changes to have occurred.

Explanation:

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which rock will weather faster?

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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