Approximately how long ago did LIFE first evolve on earth
a. 4.5 billion years
b. 3.5 billion years
c. 1 billion years
d. 600 million years
e. 100,000 years
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Our tutors have indicated that to solve this problem you will need to apply the History of Life on Earth concept. You can view video lessons to learn History of Life on Earth. Or if you need more History of Life on Earth practice, you can also practice History of Life on Earth practice problems.
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