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Biology, 22.10.2020 07:01 smartowl101
How has Earth changed during our current era?
A. The dense forests of the Mesozoic era have died out.
B. Dinosaurs have slowly become extinct.
C. The climate has cooled and become less humid.
D. The ozone layer formed, allowing land-based organisms to live.
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How has Earth changed during our current era?
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