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Marley3082
20.09.2019 •
Biology
When compared to earth’s atmosphere 4.5 bya, earth’s atmosphere today
a. more carbon dioxide
b. more methane
c. more oxygen
d. more copper
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Ответ:
a more carbon dioxide
explanation:
Ответ:
answer: a
all pollution being admions
Ответ:
b
Explanation: