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 Input:
Question: Fred has an isotope that decays slowly. What is likely true about it?
Answer: it can be used to date older specimens

Ex Output:
Because these isotopes decay more slowly, they can be used to date much older specimens.

Ex Input:
Question: _____ boiling and melting points are a result of alkanes with less carbon atoms.
Answer: lower

Ex Output:
Alkanes with more carbon atoms generally have higher boiling and melting points.

Ex Input:
Question: When Mike went hiking, he saw that the weather got warmer when he was on the mountain going
Answer: lower

Ex Output:
In the troposphere, temperatures decrease as altitude increases.