The variable and affect the gravitational force between objects

Mass and distance.
Hope this helps:)

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

It changes food into energy that the organism can use.