A frontal thunderstorm is caused by ______.(1.0)
A.pronounced local heating B.wind being pushed up a mountain C.a warm air mass rising over a cold air mass D.an increased lapse rate caused by advection of warm surface air正确答案C
A frontal thunderstorm is caused by ______.(1.0)
A.pronounced local heating B.wind being pushed up a mountain C.a warm air mass rising over a cold air mass D.an increased lapse rate caused by advection of warm surface air正确答案C