Passive transport differs from active transport because Passive transport does not:
A. require energy.
B. move materials out of the cell.
C. use the concentration gradient.
D. use proteins.

i’m not a 100% sure but i think it’s A

most community's take hundreds of years to become stable

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds