A tornado is a rotating column of rapidly moving air. Tornadoes are caused by warm, humid air colliding with cold, dry air. The map below shows an area of the United States that is called Tornado Alley.

Question

Which of the following statements best describes Tornado Alley?
Responses
A Tornado Alley is a large, warm, and moist air mass that causes numerous tornadoes in a certain path across the United States.Tornado Alley is a large, warm, and moist air mass that causes numerous tornadoes in a certain path across the United States.
B Tornado Alley is a small, warm, and dry air mass that decreases an area’s likelihood for tornadoes when it is present.Tornado Alley is a small, warm, and dry air mass that decreases an area’s likelihood for tornadoes when it is present.
C Tornado Alley is a large, cold, and dry air mass that causes tornadoes as it moves from north to south.Tornado Alley is a large, cold, and dry air mass that causes tornadoes as it moves from north to south.
D Tornado Alley is an area where warm, moist air collides with cold, dry air causing a higher frequency of tornadoes.

Answer 1

The statement that best describes Tornado Alley is:

D: Tornado Alley is an area where warm, moist air collides with cold, dry air causing a higher frequency of tornadoes.

This accurately reflects the meteorological conditions that contribute to the formation of tornadoes in that region.