Choose the answer that correctly fills in the blank. Energy is the ability to
cause

A heat
B power
C change
D work

The ability to do work or cause change is called energy

so your answer is NOT A or B

D is your answer

well in order to answer this question you have to provide more information < 3

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.