Q. The soil structure, depth and fertility is improved by

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Q. Clearing forests and woodland for industrial or agricultural purposes is known as

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Q. Ecosystem dominated by the presence of water is known as

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Q. Why the rate of extinction is increasing currently?

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Q. A drought resistant species of wheat was introduced in which country?

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Q. Why threats have been increased on wetlands?

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Q. Sudd and Okavango swamps are located in

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Q. Which flightless bird has extinct from the island of Mauritius?

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Q. Why wetlands are described as the kidneys of the landscape?

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Q. Which land is described as the kidneys of the landscape?

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Q. Riverdeltas and mangrove swamps are located in

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Q. What is useful for construction, shelter, furniture, tools, papers and fuel?

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Q. Rich fishreries, reeds and other building materials are obtained from

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Q. Which land water can be flowing, stagnent, salty and fresh?

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Q. The complete disappearance of species from the world is known as

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Q. Forests are important part of

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Q. Most delibrate flooding occurs in association with

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Q. Groundwater, oil, gas, gravel and peat are abotained by humans from

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Q. Farming and fishing includes in which human activities?

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Q. What percent of people still doing farming?

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