The amount of light. He is testing the effects of light, which implies there will be different amounts of light tested to reach a conclusion.
They don't swell because of osmosis.
Because the gravity of the sun keeps all planets in their orbits :3 hope I helped
Distillation is a process that could be used to separate dissolved particles from the liquid in a solution.
♡♡Hope I helped!!! :)♡♡
