Environmental Science BOD of a river water is found very high. This means water contain many dissolved minerals is clear is highly polluted contain Algae contain many dissolved minerals is clear is highly polluted contain Algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Unleaded petrol contains __________ which are known as carcinogenic compounds sulphates benzene nitrates phosphates sulphates benzene nitrates phosphates ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Earth summit was held in New York in 1972 Paris in 1992 Rio de Jeneiro in 1992 Stockholm in 1972 New York in 1972 Paris in 1992 Rio de Jeneiro in 1992 Stockholm in 1972 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science An ecosystem must have continuous external source of minerals food All of these energy minerals food All of these energy ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant greenhouse gas in the earth's atmosphere: Chlorofluorocarbons (CFCs) Nitrous oxide (N2O) Carbon dioxide (CO2) Methane (CH4) Water vapour (H2O) Chlorofluorocarbons (CFCs) Nitrous oxide (N2O) Carbon dioxide (CO2) Methane (CH4) Water vapour (H2O) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Pollutants that are introduced into the environment by human activity are called as all of these qualitative pollutants quantitative pollutants anthropogenic pollutants all of these qualitative pollutants quantitative pollutants anthropogenic pollutants ANSWER DOWNLOAD EXAMIANS APP
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