Answer:
A non-contact force is a force which acts on an object without coming physically in contact with it. The most familiar non-contact force is gravity, which confers weight. In contrast a contact force is a force which acts on an object coming physically in contact with it.
Explanation:
Forest because darker color absorbs more!
Answer:
Their movement is driven by heat within the Earth. ... This causes hot material within the Earth to rise, until it reaches the surface where it moves sideways, cools, then sinks. This circular motion is called convection. Convection within the mantle drives the motion of the overlying plates.
