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: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much larger than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Answer: lower
[EX A]: Larger alkenes have lower boiling and melting points.

[EX Q]: Question: Jeff pilots his spaceship closer to the Sun. The ship experiences _____ gravitational force. 
 Answer: more
[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: If Mona is running a race and her chest expands, what happens to the amount of air pressure in her lungs? 
 Answer: decreases
[EX A]:
Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.