Many cells maximize their surface area by making microvilli. Examples of cells that do this: lungs, intestine. Explain what microvilli are and how they contribute to surface area:

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water