Answer:
The relationship between acceleration and time relates to the velocity and how it changes throughout the movement of an object.
Gravitational potential energy :)
Scientific theory because it's a theory it's already an answer but it might change depending on the condition.
Answer:
At a sunny day at the beach, the top of the sand is warm. The radiation from the Sun heats up the surface of the sand, but sand has a low thermal conductivity, so this energy stays at the surface of the sand.
