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: Two small suns moving closer will have _____ gravitational force between them than two large suns. 
 Answer: less

Ex Output:
The greater the mass of the objects, the stronger the gravitational force of attraction between them.


Ex Input:
Question: An _____ pulse rate is a sign of less oxygen to cells. 
 Answer: increased

Ex Output:
This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.


Ex Input:
Question: Katie is rubbing her hands on her leg. One hand rubs fast, the other hand rubs slow. The hand that will be cooler in the end is the one that moves 
 Answer: slower

Ex Output:

Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.