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: If Jim climbs to the bottom of a mountain and takes the temperature after taking the temperature at the top of the mountain, which area will he get a higher reading at? 
 Answer: bottom of the mountain
[EX A]: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.

[EX Q]: Question: You can find tables that show the pH value of different fruits and vegetables. The fruits such as oranges are very acidic so they have a pH value that is 
 Answer: lower
[EX A]: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.

[EX Q]: Question: When a star is moving away from a planet, the star will be pulled into it if the gravitational force is 
 Answer: weaker
[EX A]:
The closer objects are to each other, the stronger the gravitational force between them.