Question 1 • Earth and Space A 26-27
Fossils preserve evidence of ancient life and environments, so they can reveal clues about Earth’s past climate and what the planet was like millions of years ago. Fossils or preserved remains can also be found in ice, such as frozen mammoths. Plants and traces of organisms can become fossils too, so only animals do not fossilize; tar can preserve remains, but it is not where the best fossils are always preserved.
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