The correct answer is A. True
Explanation:
One main cause of air pollution is car's emissions because these contain nocive substances such as nitrogen oxides or carbon monoxide that rise to the atmosphere and pollute the air. This type of pollution varies depending on the model of the car because nowadays modern cars are designed to be more environmentally friendly.
In the case of Africa, air pollution has become a major environmental problem in the last years, and this is related to the fact most vehicles in the region are old and due to this, emit more nocive substances than modern vehicles found in industrialized regions. Thus, it is true Africa has a high level of air pollution as a result of more old vehicles.
What is the full question please?
It was Barack Obama. hope it helps
Czar nicholas ii abdicated the throne when 1894, Protesters march into petrograd during the french revolution 1917, March 3, 1917 returns to Petrograd after a decade of exile to take the reins of the Russian Revolution, April 16, 1917 Vladimir Lenin, leader of the revolutionary Bolshevik Party, November 6 and 7, 1917 lenin and the bolsheviks stage a coup in the october revolution Russia signs a peace treaty with Germany in 1918,
