Which is a true statement about air quality? Good air quality is shown by high levels of smog.
Bacteria is a major cause of poor air quality.
Water treatment plants measure the air quality.
The EPA measures air pollution levels daily.

the answer is tropical areas. the tropical areas obtain more

radiant energy from the sun than they lose to space through terrestrial

radiation, and vice versa for polar areas. earth has an energy remaining in the

tropics and an energy scarcity for the polar areas.

explanation:

you know they are heterozygous for a trait because they have it as jj or jj.

artificial selection

explanation:

this occur when man select base on their intelligent