Pollution is a problem associated with urban sprawl, but not with upward growth.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear