Environmental Science As it travels along the food chain, the concentration of DDT remains constant decreases increases fluctuates randomly remains constant decreases increases fluctuates randomly ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant gas in the stratosphere is: Oxygen (O2) Chlorofluorocarbons (CFCs) Ozone (O3) Nitrogen (N2) Carbon dioxide (CO2) Oxygen (O2) Chlorofluorocarbons (CFCs) Ozone (O3) Nitrogen (N2) Carbon dioxide (CO2) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Zoological Survey of India is at Kolkata Mumbai Delhi Chennai Kolkata Mumbai Delhi Chennai ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes Acid rain Smog Ozone hole in the atmosphere Global warming Acid rain Smog Ozone hole in the atmosphere Global warming ANSWER DOWNLOAD EXAMIANS APP
Environmental Science World Ozone day is 43987 43906 44090 44151 43987 43906 44090 44151 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science An ecosystem must have continuous external source of All of these energy food minerals All of these energy food minerals ANSWER DOWNLOAD EXAMIANS APP