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Home Q & A Board Biology-Related Homework Help General Biology
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Alexis23 Alexis23
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6 years ago
There is evidence that life existed about:a.
   3.5 billion years ago.
  b. 2 billion years ago.
  c. 1.3 billion years ago.
  d. 630 million years ago.
  e. 250 million years ago

Question 2

The approximate age of the Earth is:
  a. 100,000 years.
  b. 1.2 billion years.
  c. 4.6 billion years.
  d. 10.5 billion years.
  e. 13.6 billion years.
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Replies
wrote...
#1
6 years ago
Answer to q. 1

A

Answer to q. 2

C
Alexis23 Author
wrote...
#2
6 years ago
Exactly what I needed for my quiz Smiling Face with Open Mouth
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