Warm air and cool air mix in Region A, while rapid weather changes occur in Region B. Which fronts are occurring in the regions?
There is a cold front in Region A and a warm front in Region B.
There is an occluded front in Region A and a cold front in Region B.
There is a warm front in Region A and a stationary front in Region B.
There is a stationary front in Region A and an occluded front in Region B.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

a time line cause it goes from 685 to 978

there’s no image attached but i can if you want: )

i don’t no. suiopgohjk