Each pollutant, present in air, has a ______________ which, if exceeded, causes public health hazards.

Accelerates corrosion of metals

Air pollutants can be transported to the earth’s surface by

Greenhouse effect is an ocean warming phenomenon while El Nino is an atmospheric warming phenomenon

Allows passage of ultraviolet radiation to the earth where it causes skin cancer, eyesight defect, genetic disorder, etc., in the biosphere (man, animal and plant).

Select the greenhouse gases

The net result is that the earth’s surface gets heated and the phenomenon is known as the

Select which are not used to control particulate emissions

Is a major environmental issue as it badly damages the environment. It damages buildings and structural materials of marble, limestones, slate and mortar.

is a colourless gas with a pungent odour. It is produced from the combustion of any sulphur-bearing material

Is a major hydrocarbon. It is generated in large quantities by bacteria formed by anaerobic decomposition of organic matter in water sediments and soil

It is a colourless, odourless and tasteless gas which is injurious to our health

Primary responsible for about 70 percent of CO emissions in automobiles

Pollutants that are emitted directly from the sources

Pollutants that are formed in the atmosphere by chemical reactions among primary pollutants and atmospheric constituents

Select the man-made sources of air pollution

Select the natural sources of air pollution

Is colourless and odourless.

It occurs when a warm air mass moves above a cold air mass resulting in air stagnation of the latter (cold air)

in which air pollutants get trapped.

El Nino is a Spanish term for

Ozone hole blocks passage of ultraviolet radiation to the earth where it causes skin cancer, eyesight defect, genetic disorder,

The image shows the

In the image shown what is the 17%

What is the 50%

What is the 4%

What is the 8%

Select the gas/es in the atmosphere that strongly absorb infrared radiation and effectively block a large fraction of the earth’s emitted radiation

Choose 2 major primary pollutants

Acid rain does not damages buildings and structural materials of marble, limestones, slate and mortar.

Particulate originate from natural sources only

Methane is generated in large quantities by bacteria formed by anaerobic decomposition of organic matter in water sediments and soil