When you see a sign warning you that there is a place ahead where other traffic lanes are coming together with the one you are traveling on, you should:

When you see a sign warning you that there is a place ahead where other traffic lanes are coming together with the one you are traveling on, you should:

Explanation:

What must be done in this case is to give way, look to see if cars come by the new lanes to which we want to join, and if no cars come, access the new traffic lanes.

Your attention has to be at its best.

Explanation:

When an upcoming  traffic lane gathering is near, your senses must stay and remain sharp, even a few seconds after the incorporation.

You can´t know or even predict the state of concentration or speed of the other drivers. The distraction during this event is one of the most common causes of traffic accidents. No more words needed.

answer; i believe that the correct answer is ( troxel v. granville);

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.