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.
Last two should be correct. The Second one is wrong.
Answer: there were people
Explanation: they had mulptiple
jobs
To declare boundaries between the thirteen colonies and the Appalachian Mountains, so American colonists couldn’t create tension with the French and Native Americans who live across the mountains.
