Friend me please. i only have one friend on here.

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

What is the relationship between absorbance of light and the rate of photosynthesis?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils