Environmental Science The range of normal human hearing is in the range of 50 Hz to 80 Hz 10 Hz to 80 Hz 50Hz to 15000 Hz 15000 Hz and above 50 Hz to 80 Hz 10 Hz to 80 Hz 50Hz to 15000 Hz 15000 Hz and above ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Example for a bio-degradable polymer is Polypropylene Poly lactic acid Polyethylene Polyester Polypropylene Poly lactic acid Polyethylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Thermal belts are usually found On valley floors On mountain tops On hillsides None of these On valley floors On mountain tops On hillsides None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science What is the cause of the Exxon Valdez? Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected. a plane which crashed and caused death of human life none of these. a ship which wrecked on the coast of India Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected. a plane which crashed and caused death of human life none of these. a ship which wrecked on the coast of India ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The first global environmental protection treaty "The Montreal Protocol" was signed on September 26 in 1985 1987 1990 1981 1985 1987 1990 1981 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Photosynthesis is found in Consumers Decomposers Scavengers Producers Consumers Decomposers Scavengers Producers ANSWER DOWNLOAD EXAMIANS APP