Use all three of Newton’s laws of motion to describe what happens when a car starts off at rest, is pushed across a platform, and then accelerates downward. State each of Newton's laws and give examples of how they are shown in the image.

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable: