Given the fact that: As the Universe expands, galaxies move further and further apart. Answer the question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is less or more?
less

(Question)
Given the fact that: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures. Answer the question: If Milo increases the frequency on his shortwave radio, it does what to the amount of energy the radio is producing increases or decreases?
(Answer)
increases

Ques: Given the fact that: So the higher an object is above a surface, the more potential energy it has. Answer the question: The ball began to raise slowly above the table. The higher it rises above the table, the potential energy will decrease or increase.?
Ans: increase.

(Q).
Given the fact that: For a given medium, sound waves travel more slowly at lower temperatures. Answer the question: John was watching the sound waves in his electronic monitor when he noticed something. The speed of the sound waves was faster when the temperature was higher or lower?
(A).
higher

Ques:Given the fact that: The more carbon atoms a hydrocarbon has, the greater the number of isomers. Answer the question: A hydrocarbon with few carbon atoms will have fewer or many isomers?

Ans:fewer

Ques:Given the fact that: To reduce friction, oil is added to the engine. Answer the question: If Milo's engine is running hot, how will adding oil affect friction increase or reduce?

Ans:
reduce