Earth's Climate History Answers

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Why are pollen grains useful when studying the climate history of a region?

They may contain the remains of ancient organisms.

They may have rings inside them that reflect variations in the local climate.

They can be preserved within the fossils of organisms that carry them.

They provide clues about the types of plants that grew in a region at a particular time.

✔ warmercooler drier

✔ warmer

cooler

drier

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