Acar moves in a straight line at a speed of 64.0 km/h. how long will it take the car to move 0.25 km at this speed?

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: