Which of the following is a gas at room temperature A. jello
B. milk
C. helium
D. popcorn

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

What is the identity of the planets?

What is responsible for the uneven heating between the poles and the equator on any given day