I believe is A) Inner core
Answer:
C
Explanation:
Generally, the speed of light slows down when passing through a medium that is not a vacuum. This is not always the case, but I will be ignoring the rare/exotic exceptions. Light has a harder time traveling through solids and liquids than it does with gases.
The metric unit to measure work which equals one newton meter is called One Joule.
The answer is gravity. I hope this helps.
Answer:
I think its C and D
Explanation:Force is like a energy that moves stuff. :)