Which actions taken by Yangdi helped lead to the fall of the Sui dynasty? select all that apply
A) attempting to remove top military generals from office.
B) refusing to build the great wall or take other steps to protect the countryside.
C) forcing people to work on construction projects such as the Grand Canal.
D) forcing people to pay higher taxes to support the emperor's lavish lifestyle.

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.

the packers and the chiefs played in the first super bowl, which was held in los angeles in 1967. -is the sentence that would stand out the most when scanning a paragraph.