Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Hydrogen, oxygen Hydrogen, helium Nitrogen, water vapor Oxygen, hydrogen Nitrogen, oxygen Hydrogen, oxygen Hydrogen, helium Nitrogen, water vapor Oxygen, hydrogen Nitrogen, oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following is the non-renewable resource? Oxygen Water Sunlight Coal Oxygen Water Sunlight Coal ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The concept that 'population tends to increase geometrically while food supply increases arithmetically' was put forward by Adam Smith Charles Darwin Thomas Malthus Stuart Mill Adam Smith Charles Darwin Thomas Malthus Stuart Mill ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The major pollutant from automobile exhaust is CO Soot NO SO2 CO Soot NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following is the most responsible for world water crisis? Floods Drought Population growth Dams Floods Drought Population growth Dams ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is Canopy? Ground level of the forest Climbers on trees Uppermost level of the forest Soil in forest Ground level of the forest Climbers on trees Uppermost level of the forest Soil in forest ANSWER DOWNLOAD EXAMIANS APP
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