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.
Answers: 2
Biology, 21.06.2019 22:00, maggie3541
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
Biology, 22.06.2019 05:20, Lovebamagirl12
Which description provides the best objective summary of the article in the passage?
Answers: 1
How has Earth changed during our current era?
A. The dense forests of the Mesozoic era have died ou...
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