Answer:
Diamonds, gold, kaolin, gypsum, tin, and various gemstones, including tanzanite, are mined in Tanzania. Gold is an important resource and the country's most valuable export. There are large exploitable deposits of coal in the southwest, phosphate deposits in Arusha, and nickel in the Kagera region.
The earths surface is heated by the Sun's rays which are directed at the equator 0° latitude. If there were sea currents the closer you got to the equator the hotter it will get and the further away you go from the equator the colder it will get. Thus ocean currents distribute the heat at the equator around the earths oceans to even out the difference in the heat zones, so that the equator is not a desert and the rest of the earth is an ice age.
If we look at the average American footprint -2-3 of that is made of of carbon emissions. this means that for the four earths we would need if everyone consumes like an American.
The answer is D population of a city does not affect it's value.