Atmosfer

The following is the statement for atmosphere and its relation to the live on earth, except...

• It stabilizes the temperature of the earth

• It is the source of carbon dioxide and respiration

• part of hydrologic cycle

• as a dumping ground for many pollutant materials

The two major components in atmospheric composition are ...

• Nitrogen and oxygen

• Argon and arbon dioxide

• Neon and Kripton

• Helium and xenon

Constituents of the atmosphere at higher level are ....

• Oxides of carbon, sulfur, and nitrogen

• CO2, CO, particulate matter

• NOx, NO, NO2

• Methane, H2, CO2

The most abundant hydrocarbon in the atmosphere ....

• methane

• NOx

• SOx

• Ozon

Primary pollutants in the atmosphere are those that are emitted directly such as ....

• SO2

• H2SO4

• Ozon

• HNO3

At high altitudes, .....

• The density of the atmosphere decreases

• The pressure of the atmosphere increases

• The density of the atmosphere increases

• The gravity of the atmosphere increases

The stratification of atmosphere basis of...

• pressure and density

• temperature or density

• altitude and latitude

• absorption energy

Have a homogeneous composition of major gases other than water and decreasing temperature with increasing altitude, is the characteristic of .... layer.

• Stratosfer

• Mesosfer

• troposfer

• ionosfer

The increasing temperature with higher altitude in this region results in very little vertical mixing. The region is ....layer

• stratosphere

• troposfer

• mesosfer

• ionosfer

The absorption by chemical species of light can bring about reactions, called ....

• Smog reaction

• radical reaction

• Hydroxyl radioation

• photochemical reactions