单项选择题
A.mercurial barometer B.aneroid barometer C.barograph D.thermograph
An atoll cloud forming over an island due to heating of...
单项选择题An atoll cloud forming over an island due to heating of the land during the daytime would be which type? （）
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
