Answer:
C
Explanation:
Before making a hypothesis, background information is usually used. When you want to write a hypothesis, research is done first so that you can make the most educated guess possible.
Going out to a movie will not resolve the problem.
C ,because kinetic energy is stored and there is energy needed for the ball to keep bouncing
It is round or say spherical to widen the range of photography and it is designed to focus the image as the ray are coming from infinity so !!
I am not an expert of camera but ya it is the main theme !!
The last option would be I think
