Answer:
The Miller–Urey experiment (or Miller experiment) was a chemical experiment that simulated the conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those conditions. The experiment supported Alexander Oparin's and J. B. S.
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Answer:
It interacts with the organisms and other things on the surface of the earth
A, bacterial conjugation
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I think it's this because in step 4, the things under the oval-ish circle looks like bacteria
Answer: AV node will takeover the function of SA node if it’s not functioning, but definitely at a slower rate than SA node.
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