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.

Input: Consider Input: Question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Answer: less

Output: As the Universe expands, galaxies move further and further apart.


Input: Consider Input: Question: Don is looking at electromagnetic waves, and sees that the one's he observing have higher frequencies. Don is able to know then that the photons have energy that is 
 Answer: higher

Output: In electromagnetic waves with higher frequencies, photons have more energy.


Input: Consider Input: Question: Dan hits a car with his car. Dan was going only twenty miles an hour, and the other car was stopped. If Dan had hit the car going forty miles an hour, the stopped car would be moved 
 Answer: more


Output: The harder the batter hits the ball, the greater will be its acceleration.