Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Nitrogen, water vapor Hydrogen, oxygen Nitrogen, oxygen Hydrogen, helium Oxygen, hydrogen Nitrogen, water vapor Hydrogen, oxygen Nitrogen, oxygen Hydrogen, helium Oxygen, hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is the leading source of energy used in the United States today? coal nuclear power natural gas oil resources coal nuclear power natural gas oil resources ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Carbon monoxide is a pollutant because it inhibits glycolysis reacts with haemoglobin it reacts with O2 makes nervous system inactive it inhibits glycolysis reacts with haemoglobin it reacts with O2 makes nervous system inactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Science ________ is the degradation of land in arid, semi-arid and dry sub-humid areas. Land fertility Desertification Ecosystem Vegetation Land fertility Desertification Ecosystem Vegetation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as _________ Raman effect Edge effect Coolidge effect Root effect Raman effect Edge effect Coolidge effect Root effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Science "Silent Spring" is a well known book written by Aldoleopold Rachel Carson John Miller Charles Darwin Aldoleopold Rachel Carson John Miller Charles Darwin ANSWER DOWNLOAD EXAMIANS APP
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