Environmental Science BOD of a river water is found very high. This means water is highly polluted contain Algae contain many dissolved minerals is clear is highly polluted contain Algae contain many dissolved minerals is clear ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is the man-made greenhouse gas known as? Water Vapour HFC Ozone Carbon dioxide Water Vapour HFC Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Our seasons are caused by: All of these The changing distance between the earth and the sun The angle at which sunlight reaches the earth The length of the daylight hours Only (b) and (c) are correct All of these The changing distance between the earth and the sun The angle at which sunlight reaches the earth The length of the daylight hours Only (b) and (c) are correct ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one is true? symbiosis when the interaction is useful to both the populations commensalism when none of the interacting populations affect each other commensalism when the interaction is useful to both the populations symbiosis when neither population affects each other symbiosis when the interaction is useful to both the populations commensalism when none of the interacting populations affect each other commensalism when the interaction is useful to both the populations symbiosis when neither population affects each other ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The atmospheric greenhouse effect is produced mainly by the: Absorption and re-emission of infrared radiation by the atmosphere Absorption and re-emission of visible light by clouds Absorption and re-emission of visible light by the atmosphere Absorption and re-emission of visible light by the ground Absorption and re-emission of ultraviolet radiation by the atmosphere Absorption and re-emission of infrared radiation by the atmosphere Absorption and re-emission of visible light by clouds Absorption and re-emission of visible light by the atmosphere Absorption and re-emission of visible light by the ground Absorption and re-emission of ultraviolet radiation by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes Global warming Ozone hole in the atmosphere Smog Acid rain Global warming Ozone hole in the atmosphere Smog Acid rain ANSWER DOWNLOAD EXAMIANS APP
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