Complex sentence: More cloud cover contributes to an increased reflection of solar radiation back into space off the clouds, depending on the total mass of water, the size and shape of the droplets or particles and their distribution in space.
Split into simpler sentences: More cloud cover contributes to an increased reflection of solar radiation back into space off the clouds. Cloud albedo depends on the total mass of water, the size and shape of the droplets or particles, and their distribution in space.