Environmental Science In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. Nitrogen, oxygen Hydrogen, helium Oxygen, hydrogen Nitrogen, water vapor Hydrogen, oxygen Nitrogen, oxygen Hydrogen, helium Oxygen, hydrogen Nitrogen, water vapor Hydrogen, oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Science An example of lotic system River Reservoir Lake Pond River Reservoir Lake Pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following is an extinct species? Lion Dodo Tiger Ostrich Lion Dodo Tiger Ostrich ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The occurrence of pesticides like DDT in higher trophic levels is termed as biological enhancement biopollution bioremediation biomagnification biological enhancement biopollution bioremediation biomagnification ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Upper layer of water in a single body of water is known as Hydroline Hypolimnion Epilimnion Thermocline Hydroline Hypolimnion Epilimnion Thermocline ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The components of LPG are _____________ Propane & Butane Ethane & Methane Propane & Ethane Methane & Hexane Propane & Butane Ethane & Methane Propane & Ethane Methane & Hexane ANSWER DOWNLOAD EXAMIANS APP
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