_______ percentage of nitrogen is present in the air.

(a)

78.09%

(b)

74.08%

(c)

80.07%

(d)

76.63%

The example of surface water is

(a)

Artesian well

(b)

Groundwater

(c)

Subsurface water

(d)

Lake

Event that occurs due to the failure of monsoons.

(a)

Condensation

(b)

Drought

(c)

Evaporation

(d)

Precipitation

Landslide is an example of _______ hazard.

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natural

On the basis of origin, hazard can be grouped into _______ categories.

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3

Terrorism is an example of _______ hazard.

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Human made

Oxides of Nitrogen are _______pollutants which affects the human beings.

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primary

Chernobyl nuclear accident took place in _______.

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26th apr 1986

Primary pollutant

(1)

outdated drugs

Hazardous waste

(2)

oxides of sulphur

Earthquake

(3)

terrorism

Meteorological drought

(4)

reduction in rainfall

Human induced hazard

(5)

tsunami

Define ‘hazard’.

Write a brief note on hazardous wastes.

List out the major flood prone areas of our country.

Why should not we construct houses at foothill areas?

Hazards and disasters.

Natural hazard and human-made hazard.

Earthquake and Tsunami.

Define earthquake and list out its effects.

Elaborately discuss the effects water pollution.