Q. Lead and mercury are toxic substances, which causes

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Q. The amount that people need to use is referred as

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Q. Landscaping is also known as

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Q. When the mineral prices remain high, companies search for

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Q. The contaminated substances leak into the ground and are carried by filtration into ground water supplies known as

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Q. South Africa is the leading exporter of which mineral?

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Q. The amount of resources that is known to exist is referred as

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Q. In the world market the prices of oil

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Q. High prices of mining encourage more production, even small mines in small areas can be

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Q. The cheapest location for steel works is next to which ore?

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Q. Which climatic conditions make mining difficult and expensive?

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Q. Its is estimated that the world fish stock has reached at the point, where commercial fishing is no longer

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Q. What are the activities in buffer zone?

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Q. From which tree paper, pulp and construction timber is formed?

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Q. Selective logging is more expensive than

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Q. What is the only conservation of forest management?

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Q. When two plates move against each other is known as

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Q. Where the tectonic activities occurs?

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Q. In which country 80% of the furniture comes from rubberwood?

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Q. Rift valleys are formed by

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