Which gas is not a source of air pollution? a) nitrogen oxide b) carbon dioxide c) sulfur dioxide d) carbon monoxide

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.