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The Columbian Exchange was the widespread transfer of plants, animals, culture, human populations, technology, and ideas
Answer:
It is an incomplete record.
Explanation:
The fossil record is an account of known entities that have been found by scientist and historians that attempts to reconstruct the history of creatures and events that happened on Earth. The fossil record has massive gaps that haven't been able to be filled; however, there still are lots that have been discovered. The fossil record will be incomplete for quite a long time.
Answer:
D. The American Revolution
