Compare and contrast the following descriptions of waves. One wave moves up and down very quickly, but only a short distance. The other has a long distance between crests and rises and falls over a
longer distance, but goes up and down slowly. Describe them in terms of wavelength, frequency, and
amplitude.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

What is the farthest destination to date for a human spaceflight mission?