4. How is salinity affected?
(a) evaporation increases
(a) freezing increases
(b) melting increases
(c) precipitation increases

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 much does one sucrose molecule weigh in grams?

Why are trees green on top sometimes and brown down low sometimes. complete sentences peoples!