What is one main human activity that causes smog, acid rain and contributes to global warming?

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

the answer is:

carbon dioxide

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

idk what happened..you tell