Describing Air Polution Which of the following contribute to dirty air? Select three options.
O photosynthesis
O fossil fuels
O smoking
O mold
O respiration

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

idk im sorry.