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 of a scientific question that could be used to create an easily reproducible experiment?
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?

d

Explanation:

This is a fairly simple experiment that pretty much anyone could test. If you just took two plants and watered one with sugar water and one with salt water, you would see the effects. hope this helped!

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds