题目内容
The most abundant non anthropogenic greenhouse gas.
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Use the following choices for questions:A. hydrocarbonsB. sulfur dioxideC. ozoneD. particulatesE. lead1、Most often cited as the causative factor for acid deposition.______ 2、Considered harmful in the troposphere but beneficial in the stratosphere.______ 3、Major pollutant that electrostatic precipitators are designed to remove from power plant smokestack emissions.______
Greenhouse gas that is exclusively anthropogenic.
A greenhouse gas that in the lower troposphere, is formed by photochemical reastions.
Use the choices to answer questions:A. geothermal energyB. tidal energyC. hydrogen fuel cellsD. wind energyE. photovoltaic energy1、This source can harm migratory birds.______ 2、Water and electricity are the products of this source.______ 3、This source utilizes heat/steam from underground.______ 4、This source converts radiant energy into electricity.______
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