Air Pollution is defined as the presence or introduction into the air ofa substance which has powerful or poisonous effects. After watching the 3 videos and reading throught the lecture notes,answer the following questions:
1. How is air pollution influenced by season variations, weather and topography
2. What role do these three things play in the disbursal of air pollutants
3. Why do carbon dioxide levels trend to increase in the winter timw in the northern hemisphire?
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