The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
Answer:
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B may be the answer.hope it helps you
Answer:
The acceleration of body is given 16.3m/s2 and the force is given 4.6 N
Force=mass * acceleration
Mass=force/acceleration
So, the mass=4.6/16.3
Therefore the answer is, 0.28kg
Explanation: