What is the national rifle association? an elected body of representatives an organized political party an overseen caucus an interest group

An interest group

Explanation:

National Rifle Association is a gun right advocacy group founded with the aim of advancing rifle marksmanship.

using the scientific method.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.