Ais substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions than otherwise possible without being changed by the reaction

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Nonpoint source pollution is difficult to control because it

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid