Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Nitrogen, water vapor Oxygen, hydrogen Hydrogen, oxygen Nitrogen, oxygen Hydrogen, helium Nitrogen, water vapor Oxygen, hydrogen Hydrogen, oxygen Nitrogen, oxygen Hydrogen, helium ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The earth's first atmosphere was composed primarily of: Argon and nitrogen Oxygen and water vapor Hydrogen and helium Carbon dioxide and water vapor Argon and nitrogen Oxygen and water vapor Hydrogen and helium Carbon dioxide and water vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Salim Ali Centre for Ornithology and Natural history is located at ______ Coimbatore Hyderabad Kerala Pune Coimbatore Hyderabad Kerala Pune ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following is the major cause of pollution? hydrocarbon gases fungi plants man hydrocarbon gases fungi plants man ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is an Incinerator? None of these Both a & b Furnace used for treating liquid waste Furnace used for burning solid waste None of these Both a & b Furnace used for treating liquid waste Furnace used for burning solid waste ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is lentic habitat ? Standing or still water habitat None Marine habitat Running water habitat Standing or still water habitat None Marine habitat Running water habitat ANSWER DOWNLOAD EXAMIANS APP
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