According to the scientific view, about how many years ago did life on earth begin?
a. 3.5 million years ago
b. 3.5 billion years ago
c. 350,000 years ago

The answer is B. 3.5 billion years ago.

Explanation:

You can search it up, some say 3.7 billion years ago, but the fact that it says "billion" gives you your answer. I also have image of the answer being correct on my quiz. Have a good day to those I have helped.

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