Answer:
A lot of the earth oxygen comes from the ocean around 50%-80%
Explanation:
Those forces are exactly equal.
Gravity always works as a pair of <em>EQUAL</em> forces ... one in each direction
between two masses. Your weight on the Earth is exactly the same as
the Earth's weight on you.
The answer is D. Isotopes.
Hope that helped.
Potential difference is the work done In moving a charge from one point to another in a conductor
