Question

A variable is a factor that can be manipulated in an experiment to take on different values. Which of the following could be a variable in an experiment investigating how fast a skateboard rolls down a ramp? Select one: a. The size of the skateboard wheels b. The height of the ramp c. The weights on the skateboard d. All of the above are acceptable variables

Answer 1

Answer:

B

Explanation:

They are all variables as you would be able to use them to test,and get different results.