Environmental Science Which book written by Rachel Carson resulted in banning DDT in USA? Silent spring Biomagnification Food chain The environmentalism Silent spring Biomagnification Food chain The environmentalism ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant gas in the stratosphere is: Oxygen (O2) Ozone (O3) Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Nitrogen (N2) Oxygen (O2) Ozone (O3) Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Nitrogen (N2) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Thickness of plastic cover permissible to use 10 Microns 100 Microns 20 Microns 50 Microns 10 Microns 100 Microns 20 Microns 50 Microns ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is an Incinerator? Furnace used for burning solid waste Both a & b Furnace used for treating liquid waste None of these Furnace used for burning solid waste Both a & b Furnace used for treating liquid waste None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Wild life is continuously decreasing. What is the main reason of this? Cutting down of forest Destruction of habitat Hunting Predation Cutting down of forest Destruction of habitat Hunting Predation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Ozone depletion is mostly caused by CO CFCs CO2 CCL CO CFCs CO2 CCL ANSWER DOWNLOAD EXAMIANS APP
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