The Sun being the largest body has the highest gravitational pull on all planets however planets do not collapse into the sun this is because of A. gravitational I'll of the Earth B. gravitational pull among the planets C. gravitational pull of Moon D. the balancing force

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: