Environmental Science The range of normal human hearing is in the range of 10 Hz to 80 Hz 50Hz to 15000 Hz 50 Hz to 80 Hz 15000 Hz and above 10 Hz to 80 Hz 50Hz to 15000 Hz 50 Hz to 80 Hz 15000 Hz and above ANSWER DOWNLOAD EXAMIANS APP
Environmental Science One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as CFCs and CO2 Methane and CFCs Methane and CO2 CFCs and N2O N2O and CO2 CFCs and CO2 Methane and CFCs Methane and CO2 CFCs and N2O N2O and CO2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Wild life is continuously decreasing. What is the main reason of this? Destruction of habitat Cutting down of forest Hunting Predation Destruction of habitat Cutting down of forest Hunting Predation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of Essential minerals Light Oxygen Food Essential minerals Light Oxygen Food ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Most of the radiation emitted by a human body is in the form of: Infrared radiation and is invisible Humans do not emit electromagnetic radiation Ultraviolet radiation and is invisible Visible radiation but is too weak to be visible Infrared radiation and is invisible Humans do not emit electromagnetic radiation Ultraviolet radiation and is invisible Visible radiation but is too weak to be visible ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Commonly used radioactive isotopes in scientific research 125 I 32 P all of these 14 C 125 I 32 P all of these 14 C ANSWER DOWNLOAD EXAMIANS APP
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