PLZ ASAP ILL GIVE BRAINLIST IF RIGHT Choose the word or phrase that best completes each sentence about the food sources of American Indians.

Bison were an important food source for American Indians in the
.

were important to the food supply of American Indians in all areas.

Farming was important to American Indians in
.

its so obvious. its 999 obviously.

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.