To properly record a measurements, you must record which of the following? (pick as many as you want)
a. number
b. hypothesis
c. summary
d. unit

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.

What material did the moon come from?

Where is pericardial fulid located