Seudónimo Seudónimo

21-04-2020
Chemistry

contestada

Humans first appeared in the _____ period.

A) Mesozoic
B) Paleozoic
C) Jurassic
D) Cenozoic

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calisa9228 calisa9228

21-04-2020

Answer:

They first appeared in the fossil record around 66 million years ago, soon after the Cretaceous–Paleogene extinction event that eliminated about three-quarters of plant and animal species on Earth, including most dinosaurs.

Explanation:

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puppylover5163 puppylover5163

27-04-2020

Answer:

A or b I learned this in history

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