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.

[Q]: Question: Dana washes her hands a lot, so her bacteria has mutated to help to resist antibiotics. As that bacteria decreases in numbers, the mutation becomes 
 Answer: rare
[A]: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.


[Q]: Question: If Mona upgrades her old computer to a more powerful model, what happens to the amount of work her computer can do? 
 Answer: increase
[A]: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.


[Q]: Question: What happens when we get farther from the sun? 
 Answer: cool down
[A]:
The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun.