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.

Input: Consider Input: 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

Output: Larger alkenes have lower boiling and melting points.


Input: Consider Input: Question: Long ago the surface of Venus warmed enough that greenhouse gases escaped into the atmosphere. As a result, the greenhouse effect on that planet 
 Answer: increased

Output: An increase in greenhouse gases leads to greater greenhouse effect.


Input: Consider Input: Question: Air pressure will _____ when one goes down a mountain. 
 Answer: increase


Output: Air pressure is less at higher elevations.