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Why are seafloor sediments useful in the study of past climates?

Why are seafloor sediments useful in the study of past climates?

a.Seafloor sediments are composed of minerals that were created during different periods of climatic change. Variations among the minerals in the seafloor allow scientists to study these past changes.

b.Seafloor sediments are composed of organisms that once lived near the surface of the sea. Because the sizes of these organisms change as the climate changes, the seafloor sediments provide a history of changes in climate.

c.Seafloor sediments are composed of organisms that once lived near the surface of the sea. Because the number and types of these organisms change as the climate changes, the seafloor sediments provide a history of changes in climate.

d.Seafloor sediments are composed of organisms that once lived in the sea. Because one or more species of these organisms went extinct every time there was a change in climate, the sea sediments provide a history of changes in climate.

e.Seafloor sediments are composed of organisms that once lived at the bottom of the sea. Because the number and types of these organisms change as the climate changes, the seafloor sediments provide a history of changes in climate.

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