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: 10% of the air molecules in the atmosphere 75% of the air molecules in the atmosphere 25% of the air molecules in the atmosphere 50% of the air molecules in the atmosphere 10% of the air molecules in the atmosphere 75% of the air molecules in the atmosphere 25% of the air molecules in the atmosphere 50% of the air molecules in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The lowest temperature is usually observed: Near midnight Several hours after sunrise Around sunrise Several hours before sunrise At the time of sunset Near midnight Several hours after sunrise Around sunrise Several hours before sunrise At the time of sunset ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The pyramid of number of a parasitic food chain in forest ecosystem is always upright always inverted mixture of inverted and upright sometimes inverted and sometimes upright always upright always inverted mixture of inverted and upright sometimes inverted and sometimes upright ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which one of the following environmental pollutants has the problem of biomagnifications? NO3 O3 and CO2 Hg fungicides SO2 NO3 O3 and CO2 Hg fungicides SO2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science During the afternoon the greatest temperature difference between the surface air and the air several meters above occurs on a: Clear, windy afternoon Cloudy, calm afternoon Cloudy, windy afternoon Clear, calm afternoon Clear, windy afternoon Cloudy, calm afternoon Cloudy, windy afternoon Clear, calm afternoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south? Solar energy is spread over a larger area in northern latitudes Some of the sun's energy is reflected by snow and ice in the northern latitudes All of these Solar energy is used to melt frozen soil in the northern latitudes Increased cloud cover reflects solar energy in the northern latitudes Solar energy is spread over a larger area in northern latitudes Some of the sun's energy is reflected by snow and ice in the northern latitudes All of these Solar energy is used to melt frozen soil in the northern latitudes Increased cloud cover reflects solar energy in the northern latitudes ANSWER DOWNLOAD EXAMIANS APP