The focus of the earthquake is the a. location in which the earthquake was first felt. b. place where the p-wave ends. c. place that sustains the most damage. d. point of failure of crustal rocks where the waves originate.

Which of the following is an oxidation-reduction reaction? (pictured below)

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

How can an organ, such as the lungs, work for multiple body systems?