Why is this niche critical to maintain a healthy community for lions

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 will you manage your time to accomplish the necessary tasks both on the job and at home?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million