题目内容
The following chemical reactions describe the process of the formation of ____.
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Use the choices below to answer questions:A. open pit miningB. subsurface miningC. bore miningD. surface miningE. placer mining1、The form of mining that has running water to separate minerals based on weight.______ 2、The form of mining that uses quarries with terraced sides for access to the mine.______ 3、The form of mining where particulate matter can accumulate in the air and become a health hazard.______
Use the following answer choices for questions:A. ligniteB. sub bituminousC. bituminousD. peatE. anthracite1、Which fuel is a wet moderately compressed organic matter?______ 2、Which fuel has the highest energy content per unit volume?______ 3、What is formed under minimal heat and pressure and is moderately wet?______
Use the choices below to answer questions:A. Photovoltaic cellsB. Hydrogen fuel cellsC. Tidal energyD. Geothermal energyE. Wind 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.______
Use the choices below to answer questions:A. Nuclear EnergyB. Coal C. Crude Oil or PetroleumD. Natural Gas1、A benefit of this source is that it releases little to no emissions.______ 2、A drawback to this source is its method of removal can sometimes contaminate aquifers.______ 3、A drawback to this source is that drilling sites can often damage the terrain and cause dangerous spills.______ 4、A benefit of this source is its abundance in the world.______ 5、A drawback to this source is the thermal pollution it often releases.______
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