Fossil fuel are cheap and easy to use, but pollute the earth so no we shouldn't use it, and we should work on greener sources of energy that can power a nation! (Still not there yet though.)
Well some can be the types of food they eat
The correct answer is World's Worst Air Quality. These cities has the worst air quality in the world, since these two cities suffer from air pollution due to the overuse of cars, the exhaust of cars expels a lot of smoke that forms within the air that causes bad quality and increases particulates in the air, which results to respiratory illnesses among the citizens of the said countries/states. <span />
Answer:
True.
In pre-colonial Africa, some primitive versions of government systems were used.
