A front is formed when two Blank______ of differing temperature and density meet.Multiple choice question.jet streamswater bodiesair massesNeed help? Review these conc

Multiple Choice QuestionAtmospheric convection patterns occur as hot air Blank______ and cold air Blank______ and heat energy is redistributed in the atmosphere.Multiple choice question.expands; shrinksrises; sinkssinks; rises

Multiple Choice QuestionWhich of these best describes a jet stream?Multiple choice question.Hurricane-force winds that circle the earthMassive vertical convection cells that distribute energyA system that includes the Hadley, Ferrel, and Polar convection cells

Multiple Choice QuestionAmbient air is Blank______.Multiple choice question.an air mass at room temperaturethe air around usthe average composition of a planet's airair devoid of pollutants

Multiple Choice QuestionThe top of the zone of saturation, which often follows the contours of surface topography, is the Blank______.Multiple choice question.infiltration zonevadose zonerecharge zonewater table

Multiple Choice QuestionGreenhouse gases make up Blank______% of the atmosphere.Multiple choice question.more than 10<0.1about 5