Question

McQ).1Life appeared on the earth first time
Hint: (a:around 4.5 million years ago)
Hint: (b:around 3.5 billion years ago)
Hint: (c:around 20,000 years ago)
Hint: (d:around 1.5 million years ago)​

Answer 1

Answer:

option a is correct

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Answer 2

Answer:

Life appeared on the earth first time around at least 3.77 billion years ago, however the ocean was formed around 4.5 billion years ago