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baherus [9]
3 years ago
12

3. What are some scientific explanations for the history of life on Earth?

Biology
1 answer:
KATRIN_1 [288]3 years ago
7 0

Answer:

Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects

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