What information can scientists obtain from these fossils? temperatures
number of species that existed
movement of continents
cause of mass extinctions

temperatures

Explanation:

The presence of fossils representative of these organisms can tell us a great deal about the environments of the past; what the climate was like, and what sorts of plants and animals inhabited the landscape. Some fossils provide a continuous record of environmental change.

i am going to guess that it is co2.

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