Question

What is air pollution? Mention a few common causes of air pollution. [2 marks]

Answer 1

$\bullet$ Air pollution is the addition of harmful and undesirable substances to the air thereby decreasing its quality. [1 mark]
$\bullet$ Burning of fuels which produce smoke, carbon dioxide, carbon monoxide, fine dust, and ash particles, burning of trash and emission of harmful gases from vehicles and factories are some of the activities that cause air pollution. [1 mark]