Environmental Science Mobile combustion accounts 10-20% of air pollution 5-10 % of air pollution 50-60 % of air pollution 40-50% of air pollution 10-20% of air pollution 5-10 % of air pollution 50-60 % of air pollution 40-50% of air pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Bell-shaped polygonal pyramid indicates moderate percentage of young individuals high percentage of young individuals low percentage of old individuals low percentage of young individuals moderate percentage of young individuals high percentage of young individuals low percentage of old individuals low percentage of young individuals ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Bio gas generation is mainly based on the principle of Sedimentation Biodegradation Purification Fermentation Sedimentation Biodegradation Purification Fermentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Any unfavorable alteration of the environment may be called as eutrophication bioaccumulation environmental pollution biomagnigication eutrophication bioaccumulation environmental pollution biomagnigication ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Some species of plants and animals are extremely rare and may occur only at a few locations are called Vulnerable Threatened Endangered Endemic Vulnerable Threatened Endangered Endemic ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Blue whale is placed under Extinct Critically endangered Endangered Rare Extinct Critically endangered Endangered Rare ANSWER DOWNLOAD EXAMIANS APP