Question 2 of 25
A product says that if you spray it on your bicycle tire, the tire won't get a hole
as easily. Randall measures how much force it takes to poke a nail through a
tire with and without the spray. What is the responding variable in this
experiment?
A. The amount of force needed
B. Whether the spray is used
C. The number of nails used
D. The type of tire used