What will a warm air mass do wen it moves into a cold air mass ?

a. go under the cold air mass

b. hit the cold hair mass and then retreat

c. neither move under or over the cold air mass

d. go over the cold air mass

I think it is d

Hope this help and I'm sorry if I'm wrong.

D. Go over the cold air mass

Explanation: When the sun heats up the air in the atmosphere, the air becomes less dense, hot and rises upward. As the hot air rises, the heavier (more dense) cool air moves downwards and fills the atmosphere. This creates circulation patterns known as convection currents in the atmosphere.