Environmental Science Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly: 25% of the air molecules in the atmosphere 75% of the air molecules in the atmosphere 50% of the air molecules in the atmosphere 10% of the air molecules in the atmosphere 25% of the air molecules in the atmosphere 75% of the air molecules in the atmosphere 50% of the air molecules in the atmosphere 10% of the air molecules in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The gas that shows the most variation from place to place and from time to time in the lower atmosphere: Carbon dioxide (CO2) Argon (Ar) Ozone (O3) Methane (CH4) Water vapour (H2O) Carbon dioxide (CO2) Argon (Ar) Ozone (O3) Methane (CH4) Water vapour (H2O) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as Pollution Ecodestructions Pollutants All of these Pollution Ecodestructions Pollutants All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following is the most stable ecosystem? Ocean Mountain Forest Desert Ocean Mountain Forest Desert ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A pond, serves as a good example for a __________ water ecosystem. brackish marine fresh sea brackish marine fresh sea ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The range of normal human hearing is in the range of 50Hz to 15000 Hz 50 Hz to 80 Hz 15000 Hz and above 10 Hz to 80 Hz 50Hz to 15000 Hz 50 Hz to 80 Hz 15000 Hz and above 10 Hz to 80 Hz ANSWER DOWNLOAD EXAMIANS APP