The clause says that the national government by make all laws "necessary and proper to carry out enumerated power. supremacy full faith and credit elastic inherent powers

The answer for the blank space is "Elastic" or "necessary and proper clause".

To make all Laws which should be important and appropriate for conveying into Execution the enumerated powers, and every single other Power vested by this Constitution in the Legislature of the United States is mentioned in the elastic or necessary and proper clause

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.

because the early people found out about it.