单项选择题
A.Cirrus B.Cumulus C.Stratus D.Nimbus
Advection fog is most commonly caused by（）.A.air being ...
单项选择题Advection fog is most commonly caused by（）.
A.air being warmed above the dew point B.saturation of cold air by rain C.a rapid cooling of the air near the surface of the Earth at night D.warm moist air being blown over a colder surface
Advection fog holds longest over which portions of the ...
单项选择题Advection fog holds longest over which portions of the lakes? （）
A.Northwest B.Southeast C.Northeast D.Southwest
According to Buys Ballot’s law，when an observer in the ...
单项选择题According to Buys Ballot’s law，when an observer in the Northern Hemisphere experiences a northwest wind，the center of low pressure is located to the（）.
A.northeast B.west-southwest C.northwest D.south-southeast
