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: Noah has noticed that the galaxies are contracting. This will make the galaxies 
 Answer: nearer
answer:
As the Universe expands, galaxies move further and further apart.


question:
Question: If Mona is building an electrical device and she decreases the total resistance of it, what happens to the current strength? 
 Answer: increases
answer:
As the total resistance increases, the current strength decreases.


question:
Question: Jeff decreases the waves' crests' height in the simulation. The amplitude is now 
 Answer: lower
answer:

The higher the crests are, the greater the amplitude of the wave.