earth's early atmosphere lost its hydrogen and helium gases because the
a.
gases were too light to be held by gravity
b.
gases condensed, forming oceans, rivers, and lakes
c.
planet was so hot that all gasses escaped into space
d.
gases were replaced by carbon dioxide from volcanic eruptions
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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
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earth's early atmosphere lost its hydrogen and helium gases because the
a.
ga...
a.
ga...
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