Energy is defined as . The ability of an object to produce a change in the environment or itself

motion

the effort required to perform work

power

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

Why does gravity have a lesser than grater effect on higher altitudes?