If 25% of the possible outcomes are recessive, the parents must both be

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

The excretory system,need answers for all: )

Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves