scientist conducts an experiment to determine how the co2 levels in ocean water affect the number of plants that can grow in the ocean. what is the dependent variable?

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What is the mass of 8 moles of sodium atoms