instruction:
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.
question:
Question: Mary was comparing the size of two objects. If she examined an orange and compared it with a watermelon, which would generate more gravity? 
 Answer: watermelon
answer:
Less massive objects also have less gravity than more massive objects.


question:
Question: Carbon dioxide levels increasing cause the temperature to 
 Answer: increase
answer:
An increase in greenhouse gases leads to greater greenhouse effect.


question:
Question: Mary is looking through her new telescope. She sees some objects in space that are exerting gravitational pulls on each other. If the first two objects are 50,000 miles apart, and the second set of objects are 100,000 miles apart from each other, then the gravitational pull of the second set of objects is 
 Answer: less.
answer:

The closer objects are, the stronger the gravitational pull between them.