Diffusion occurs when molecules constantly move and collide with each other. Which of the following correctly describes the net movement of molecules in diffusion?

blah

explanation:

bc blah

"d.) carbon dioxide and hydrogen sulfide"

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

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.