Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the following is an example....

a.

Why do people like to watch television?
b.

Does the mass of a rocket affect the distance it can travel?
c.

What makes the sky blue?
d.

Does sugar or salt have a greater effect on plant growth?


kathi
♥4everneverlasts</3

I would say D. It would have to be tested multiple times.

However, I could see a possibility of it being B as well. But I don't see why it would need to be constantly repeated.