The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.
Liberty , and the pursuit of happiness
Wait it isn't 5! Just a second. It is -15
-4 times 5 is negative 20. When you add 5 to negative 20, it becomes -15
D because Africa is known for its abundance in raw materials like the animals, gold, etc.