An important reason for the large daily temperature range over deserts is: There is little water vapor in the air to absorb and re-radiate infrared radiation The ozone content of desert air is very low Dry air is a very poor heat conductor The light-colored sand radiates heat very rapidly at night Free convection cells are unable to form above the hot desert ground TRUE ANSWER : ? YOUR ANSWER : ?
Expand GIS Geographical Information System Geographical Information Source Geological Index System Geological Information System TRUE ANSWER : ? YOUR ANSWER : ?
The gas responsible for the greenhouse effect on Venus is: Oxygen (O2) Water vapor (H2O) Ozone (O3) Carbon dioxide (CO2) Nitrogen (N2) TRUE ANSWER : ? YOUR ANSWER : ?
_________ energy is the main driving force of the ecological system. Electric Solar Mechanical Hydro TRUE ANSWER : ? YOUR ANSWER : ?
The percentage of water vapour present in the air compared to that required for saturation is the: Specific humidity Relative humidity Dew point Absolute humidity Mixing ratio TRUE ANSWER : ? YOUR ANSWER : ?
All are primary pollutants except Ammonia Sulfur dioxide Peroxyacetyl Nitrate (PAN) Hydrogen sulfide TRUE ANSWER : ? YOUR ANSWER : ?
The pyramid of number of a parasitic food chain in forest ecosystem is always inverted always upright sometimes inverted and sometimes upright mixture of inverted and upright TRUE ANSWER : ? YOUR ANSWER : ?
The darkening of the skin due to arsenic poisoning is called None of these Skin scaling Black syndrome Diffuse melanosis TRUE ANSWER : ? YOUR ANSWER : ?
All the statements are correct regarding ecological succession except The role of decomposers becomes more and more important It is a random process The food chain relationships becomes more complex Species diversity increases as succession proceeds TRUE ANSWER : ? YOUR ANSWER : ?