Environmental Science Nitrogen gas returns to the atmosphere by the action of Nitrogen fixing bacteria Nitrate fertilizers Nitrifying bacteria Denitrifying bacteria Nitrogen fixing bacteria Nitrate fertilizers Nitrifying bacteria Denitrifying bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant gases in the earth's atmosphere by volume are: Oxygen and helium Nitrogen and oxygen Oxygen and water vapor Carbon dioxide and nitrogen Oxygen and ozone Oxygen and helium Nitrogen and oxygen Oxygen and water vapor Carbon dioxide and nitrogen Oxygen and ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Cigarette smoking exposes one to __________ Sulphur dioxide Carbon dioxide Carbon monoxide Nitrogen peroxide Sulphur dioxide Carbon dioxide Carbon monoxide Nitrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect? Nitrous oxide (N2O) Chlorofluorocarbons (CFCs) Methane (CH4) Carbon dioxide (CO2) Molecular oxygen (O2) Nitrous oxide (N2O) Chlorofluorocarbons (CFCs) Methane (CH4) Carbon dioxide (CO2) Molecular oxygen (O2) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The thickness of ozone layer is measured in Hg Mm Du Nm Hg Mm Du Nm ANSWER DOWNLOAD EXAMIANS APP