What are seven major primary air pollutants and their sources?
What will be an ideal response?
Suspended particulate matter (PM): Sources are soot, smoke, metals, and carbon from combustion; dust, salts, metal, and dirt from wind erosion; and atmospheric reactions of gases. Volatile organic compounds (VOC): Sources are incomplete combustion of fossil fuels; evaporation of solvents and gasoline; and emissions from plants. Carbon monoxide (CO): Sources are incomplete combustion of fuels. Nitrogen oxides (NOx): Source is from nitrogen gas due to high combustion temperatures when burning fuels. Sulfur oxides (SOx): Source is primarily from the combustion of sulfur-containing fuels. Lead: Sources are combustion of leaded fuels and solid wastes. Air toxics: Sources are industry and transportation. Radon: Sources are rocks and soil; natural breakdown of radium and uranium.
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What are the probabilities of floods of these magnitudes occurring in any given year?
April 18, 1997 (15.86 m): ____________ April 22, 1997 (16.56 m): ____________
Describe the energy pathways of insolation as it enters the Earth's atmosphere
What will be an ideal response?
On a hot day, a tree can transpire hundreds of liters of water
Indicate whether the statement is true or false
In December 2016, nuclear fission power plants in the entire world numbered a little less than
A. 450. B. 40,000. C. 44. D. 5,000.