What is the relationship between frequency and wavelength?

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.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat