What two conditions must buyers meet in order for there to be demand for a good or service?

 The correct answer is :  Have the willingness to buy and be able to buy

Explanation:  Demand is defined as the desire, ability and willingness to buy a product. The quantity demanded for a good or service depends on the price. The change in the quantity demanded shows a change in the quantity of a product purchased when there is a change in the price.

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.

u idek                                                                                                                                               /