This is urgent; please answer quickly.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.