Which of the following goods did american indians offer in trade to europeans during the columbian exchange?

rice and wheat
sheep and pigs
horses and cattle
gold and silver

It's gold and silver, i just took the review on edge nuity so yeah

i'm pretty sure the answer is a

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.