Respuesta :

within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt.

Answer: Fossils can be used to learn about earths past climates by the changes, condition, or amount of fossils in the particular layer of sediment.

Explanation: Within the layers of sediment through time, the changing abundances of the fossils tell us whether a change in the environment or climate was gradual or abrupt.

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