From the options given below, identify the environment related problems that are caused by the construction of large dams.

Deforestation

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Loss of biological diversity

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Huge financial investment

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Requires huge maintenance

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Solution

The correct options are
A Deforestation
B Loss of biological diversity
Criticism to the construction of large dams causes environmental problems as they require vast area of land which needs to cut down lots of trees which further results in soil erosion and loss of biological diversity. The building of large dams can cause serious geological damage. For example, the building of the Hoover Dam in the USA triggered a number of earthquakes and has depressed the earth's surface at its location. Huge financial investment and maintenance are also problems of dams but are not related to the environment.

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Similar questions

Two group of people debated about "Dams". Pick out the statement which were debated for and against the topic:

1. Social problems because they displace large number of peasants and tribal without adequate compensation.

2. Economic problems because construction of dams swallow up huge amount of public money.

3. Dams are used to generate electricity.

4. Dams are used to store large amount of water, which can be used later for irrigation.

5. Indira Gandhi canal has brought greenery to considerable areas of Rajasthan.

6. Environmental problems because they contribute enormously to deforestation and the loss of biological diversity.

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