Answer:
variations says it all...
a
Explanation:
Answer:C
Explanation:When the ball it up high it holds gravitational potential energy, as it rolls down it gain kinetic energy which is then turned into heat energy due to friction
Cerebellum
brain stem
Frontal lobe
Hey! I'm pretty sure this is chemistry instead of biology haha
But anyways, a typical carbon atom can form up to 4 covalent bonds!