Environmental Science Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to brackish water soil pollution forest fire acid rain brackish water soil pollution forest fire acid rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Fine organic or inorganic particles suspended in air is called particulate pollutant none of these gaseous pollutant aerosol particulate pollutant none of these gaseous pollutant aerosol ANSWER DOWNLOAD EXAMIANS APP
Environmental Science An ecosystem must have continuous external source of food minerals energy All of these food minerals energy All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The formation of __________ is the most characteristic feature in upper course of a river landslide gorges waterfalls canyons landslide gorges waterfalls canyons ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The practical problem in hydrogen production is its valency chemical property weight atomicity valency chemical property weight atomicity ANSWER DOWNLOAD EXAMIANS APP
Environmental Science If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first? Population and ecological imbalance will rise up Energy crisis will occur Some species will be extincted Rest half forests will maintain this imbalance Population and ecological imbalance will rise up Energy crisis will occur Some species will be extincted Rest half forests will maintain this imbalance ANSWER DOWNLOAD EXAMIANS APP