Explain why a Merry-Go-Round and a Ferris Wheel have a constant acceleration when they are moving? Answer must be at least two sentences long and use words such as velocity and acceleration. Please answer the specific question

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: