Continental Drift was his theory
The continents were separating farther and farther from each other so he came up with the theory that were drifting away from each other but didn’t have proof of how
A person who in debt and needs to pay the debt off as soon as possible.
Energy possessed by an object because of its position (in a gravitational or electric field), or its condition (as a stretched or compressed spring, as a chemical reactant, or by having rest mass). chemical energy
test one cleanser against another on two materials of the same kind (to make a fair test) and time it (to see if the claim that it works twice as fast is true)
