Environmental Science North American grassland are called Pampas Savannah Prairies None Pampas Savannah Prairies None ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most important human activity, leading to the extinction of wildlife, is Introduction of alien species Hunting for valuable wildlife products Pollution of wildlife, is Alternation and destruction of the natural habitats Introduction of alien species Hunting for valuable wildlife products Pollution of wildlife, is Alternation and destruction of the natural habitats ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Animals and plants are best protected in Botanical Gardens Sanctuaries Zoos National Parks Botanical Gardens Sanctuaries Zoos National Parks ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is an Incinerator? Furnace used for burning solid waste None of these Both a & b Furnace used for treating liquid waste Furnace used for burning solid waste None of these Both a & b Furnace used for treating liquid waste ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant greenhouse gas in the earth's atmosphere: Chlorofluorocarbons (CFCs) Nitrous oxide (N2O) Water vapour (H2O) Carbon dioxide (CO2) Methane (CH4) Chlorofluorocarbons (CFCs) Nitrous oxide (N2O) Water vapour (H2O) Carbon dioxide (CO2) Methane (CH4) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The aurora is produced by: Burning oxygen caused by the intense sunlight at high altitude Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Scattering of sunlight in the upper atmosphere Reflections of sunlight by polar ice fields Burning oxygen caused by the intense sunlight at high altitude Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Scattering of sunlight in the upper atmosphere Reflections of sunlight by polar ice fields ANSWER DOWNLOAD EXAMIANS APP