Sandra and tom divorced after an 18-year marriage when tom left sandra for his colleague. since the divorce two years ago, sandra has been promoted in her job, has an active social life with her friends, and has taken up golf. however, when her friends suggest that she meet a man, sandra tells them that she has no interest in men and that she is really quite content with her life. sandra is a(n):

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.