Ineed an honest answer, pls ! organs combine to form a. cells. b. tissues. c. an organ system. d. an organism.

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.

Select the word from the list that best fits the definition a system made of 25 satellites

How does the carbon cycle involve an exchange of carbon