Question # 1

Green house effect keeps the terrestial temperature suitale for life at.

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10 oC

15 oC

20 oC

25 oC

Glaciers are melting due to

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Soil pollution

Water pollution

Global warming

Noise pollution

It is result of water pollution that leads to death of aquatic life.

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Eutrophication

Toxicity

Mercury

Sulphur

It is a part of humna environment.

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Air

Water

Roads

Soil

Sewage, farming, soil erosion and oil pollution are the causes of.

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Air pollution

Water pollution

Land pollution

Noise pollution

The excessive or poor use of artificial outdoor light is termed as.

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Noise pollution

Light Pollution

Air pollution

Water pollution

Toxic gases enters the atmosphere due to.

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Noise pollution

Water pollution

Use of chemicla fertilizers

Deforestation

Made up of different gases.

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Lithosphere

Hydrosphere

Atmosphere

Biosphere

Nutrients overloads in aquatic ecosystem can cause.

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Death of aquatic life

Algal blooms

Toxicity

Eutrophication

This pollutant can lead to excess level of acid in lakes and streams, and damages trees and soil

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Carbon di oxide

Methane

Sulphur

Nitrogen

The malfunction of air conditioners cause to escape into the atmosphere.

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Nitrogen

Sulphur

Carbon di oxide

Chlorofluorocarbons

The cause fo light pollution is

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Industrial noise

Transport noise

Artificial light

Loud music

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