Environmental Science The pollutant that causes hole in the ozone layer is PFCs SF6 nitrousoxide CFCs PFCs SF6 nitrousoxide CFCs ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The organic matter produced by the photosynthetic activity of green plants is called as primary productivity light energy energy flow cellular process primary productivity light energy energy flow cellular process ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The aurora is produced by: Burning oxygen caused by the intense sunlight at high altitude Scattering of sunlight in the upper atmosphere Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Reflections of sunlight by polar ice fields Burning oxygen caused by the intense sunlight at high altitude Scattering of sunlight in the upper atmosphere Fast-moving charged particles colliding with air molecules The combination of molecular and atomic oxygen to form ozone Reflections of sunlight by polar ice fields ANSWER DOWNLOAD EXAMIANS APP
Environmental Science World's most problematic aquatic weed is trapa azolla wolffia eichornia trapa azolla wolffia eichornia ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most important reason for decrease in biodiversity is Habitat pollution Introduction of exotic species Over-exploitation Habitat destruction Habitat pollution Introduction of exotic species Over-exploitation Habitat destruction ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Radiations are harmful as it causes anemia alters body tissues causes skin cancer is unstable causes anemia alters body tissues causes skin cancer is unstable ANSWER DOWNLOAD EXAMIANS APP