In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[EX Q]: Question: Gina has longer fingernails than John. Who has more cells on their nails?
Answer: Gina
[EX A]: As the nail grows, more cells are added at the nail bed.

[EX Q]: Question: Jeff pilots his spaceship further away from the Sun. The ship experiences _____ gravitational force.
Answer: less
[EX A]: Even though the Sun is much larger than the Moon, the pull of the Suns gravity is much less because the Sun is much farther away.

[EX Q]: Question: Katie is rubbing her hands on her leg. One hand rubs fast, the other hand rubs slow. The hand that will be warmer in the end is the one that moves
Answer: faster
[EX A]:
Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.