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Lostsunrise [7]
2 years ago
13

According to many scientists, which of these probably caused a major change in the composition of Earth's atmosphere? F the weat

hering of mountains G the appearance of amphibians H the breakup of the continent Pangaea J the appearance of photosynthetic organisms​
Biology
1 answer:
notka56 [123]2 years ago
7 0

Answer:

J the appearance of photosynthetic organisms​

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