Describe HOW fossils can provide evidence of how environmental conditions and life have changed during Earth's history.

By studying fossils, scientists learn how much organisms have changed as life developed on Earth. There are space in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind.

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supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes