C.) Heat Convection within the earth.
Spreading out a wave over a larger area just causes the wave strength to weaken, but does not cause gaps to form. Therefore, if you look at photons as waves, spatial gaps never form in light as it travels through free space, no matter how dim it gets.
Answer: mountain and coastal plains
Explanation: i just took the exam
Answer:
A
Explanation:i beleive its a because it needs to be active