Why are there multiple atmospheric cells as air moves from the equator to the poles instead of one single cell?
A) There are variations in the solar radiation.
B) There are intermediate precipitation events which break up the air into circulation cells.
C) There are variations in the speed of wind.
D) The Coriolis effect breaks the air mass into atmospheric cells.
B
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Some European countries have established cradle-to-grave responsibility laws that require companies to
A. keep track on all of its hazardous waste. B. bury their waste in hazardous waste landfills. C. take back the consumer products they sell. D. use only new materials in manufacturing. E. exchange their wastes with other companies.
Formation of entrenched meanders can result from a
A) low-gradient river followed by downcutting. B) braided river that later exceeds its capacity to carry sediment. C) braided river followed by regional uplift. D) steep-gradient mountain stream following by an increase in precipitation.
Consider a comparison of people living well in densely populated cities versus people living well in less dense suburbs. For the people living in the cities, it is
A) less expensive to provide social services and utilities but costs more to control crime and pollution. B) less expensive to provide social services and control crime and pollution. C) more expensive to provide social services and utilities and to control crime and pollution. D) more expensive to provide social services and utilities but less to control crime and pollution.
When an acid is added to a solution a gas is formed. Which of the following ions might be in the solution?
A) CO32- B) OH- C) SO42- D) none of these