Environmental Science Which one of the following is the correct percentage of the two green house gases that contribute to the total global warming? N2O-6%, CO2 -86% Methane-20%, N2O-18% CO2-40%,CFCs-30% CFCs -14%, Methane-20% N2O-6%, CO2 -86% Methane-20%, N2O-18% CO2-40%,CFCs-30% CFCs -14%, Methane-20% ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The species of plants that play a vital role in controlling the relative abundance of other species in a community are called Edge species Link species Keystone species Successional species Pioneer species Edge species Link species Keystone species Successional species Pioneer species ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which book written by Rachel Carson resulted in banning DDT in USA? Silent spring The environmentalism Food chain Biomagnification Silent spring The environmentalism Food chain Biomagnification ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is Dendrology? None of these Study of Butterflies Study of Trees Study of Plants None of these Study of Butterflies Study of Trees Study of Plants ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Example of primary pollutant hydrocarbons SO2 CO NO2 hydrocarbons SO2 CO NO2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science _________ ecosystems are maintained artificially by man. Man-made Marine Brackish Artificial Man-made Marine Brackish Artificial ANSWER DOWNLOAD EXAMIANS APP
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