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: Dan is looking at shells that will be bad candidates for fossilization. He chooses the shells that are 
 Answer: softer
[EX A]: Hard shells fossilize more readily than soft bodied organisms, as they are better at resisting decay, take significantly longer to break down, and have a greater chance of surviving burial under layers of sediment.

[EX Q]: Question: As the pressure in the atmosphere rises, the air temperature gets 
 Answer: cooler or
[EX A]: Increasing air temperature decreases atmospheric pressure.

[EX Q]: Question: In Colorado, where water can be scarce, the snow in the mountains melts in the Spring. When there isn't very much snowfall in the winter does the water table 
 Answer: lower
[EX A]:
Drier climates generally have less water for people to use.