Answer:
h - height
Explanation:
gravitational potential energy = m * g * h
m stands for mass. Mass doesn't change in physics
g stands for gravitational acceleration. It is a constant.
h stands for height. When the skater moves up and down the track the height from the ground changes. Therefore this variable does change.
Answer:
The answer is A. Heterozygous
Abstract. Lung cancer from radon or 239 plutonium exposure has been linked to α-particles that damage DNA through large deletions and point mutations.
(On google)
(Also I like the pic :D)