Environmental Science Unleaded petrol contains __________ which are known as carcinogenic compounds sulphates nitrates phosphates benzene sulphates nitrates phosphates benzene ANSWER DOWNLOAD EXAMIANS APP
Environmental Science High biological oxygen demand indicates: absence of microbial pollution intense level of microbial pollution moderate microbial pollution all of these absence of microbial pollution intense level of microbial pollution moderate microbial pollution all of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science All of the following are advantages of dams except hydroelectric power recreation enhancing natural spawning patterns of fish flood control hydroelectric power recreation enhancing natural spawning patterns of fish flood control ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Pollutants that are introduced into the environment by human activity are called as qualitative pollutants all of these anthropogenic pollutants quantitative pollutants qualitative pollutants all of these anthropogenic pollutants quantitative pollutants ANSWER DOWNLOAD EXAMIANS APP
Environmental Science One atom of chlorine can destroy over __________ molecules of ozone. 10000 25000 100000 1000 10000 25000 100000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following is mainly responsible for the extinction of wild life Destruction of Habitats All of these Pollution of air and water Hunting of flesh Destruction of Habitats All of these Pollution of air and water Hunting of flesh ANSWER DOWNLOAD EXAMIANS APP
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