Answer:
Says it's rude so... YEAH.
Answer:
They are weather systems that happen to spin in a counterclockwise direction in the Northern Hemisphere from low pressure points. They form between two big cold fronts when their temperatures are very different compared to each other. These air masses will blow past each other in opposite directions when it is formed.
Your answer would be B. The most dangerous job in the United States. Because the cave can come down, if you don't have the right equipment you can damage your lungs, and you may get stuck down there, or really hurt.
If the air temperature at sea level is 20 degrees Celsius, the temperature at 3000 meters will be approximately 7 degrees C.
