Answer:
Clouds are made of microscopic droplets of water ranging from 1 to 100 microns. Although, a water droplets total size, water's density is still much greater than air, and over time the earth's gravitational pull should cause the water droplet to fall.
Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.
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Answer:
it is radiant and chemical
Explanation:
it the process in which it converts light energy known as radiant to chemical energy. Takes energy from the sun.
I believe the answer is B - point source comes from a specific site, non-point comes from many sources