Mag-sign In
Essential Biochemistry - Environmental Biochemistry (Section 1 - No. 21)
What is a major source of air pollution?
Automobiles
Agriculture
Rain
Forest
Paliwanag
Automobiles are a major source of air pollution due to their emissions.
Mga komento (0)
Mag-login Upang Magkomento
Advertisement
Payagan ang javascript na i-load nang maayos ang page na ito
