Major sources of CO pollution are:A) Motor vehicles B) Forest firesC) Volcanic eruption
Which among the following are human-made sources of air pollution? a. Burning of fire wood and dung cakes b. Forest fires c. Factories d. Power plants e. Volcanoes f. Vehicles
Ash from burning volcanoes, dust from storms and forest fires are the natural sources of ___ pollution.
Asteroid impact and volcanic eruption are the two major reasons behind extinction. True or False?