Which organisms in the food web shown compete for the same food source in this environment?

How can you increase the ability of a gas to dissolve in a liquids?

What is the ph of a solution with a 1.50 × 10−9 m hydroxide ion concentration?

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