Q. What was started first in the Nile vellay and middle east in 5000 years ago?

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Q. CCAMLR stands for

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Q. Whales were caught due to their

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Q. In which irrigation type the water is directed to the plant roots?

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Q. Which two trawlers has been forced to switch to other commercially low types of fishes?

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Q. Why the seals were replaced by whalers?

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Q. What is the more water efficient way of irrigating crops?

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Q. What are the methods of irrigation?

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Q. Which mining affects the surrounding settlements by air, noise, and visual pollution?

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Q. What is mixed farming?

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Q. What is the major cause of income in developing countries?

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Q. Which fertilizer are expensive and bad to the environment?

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Q. Which mining causes breathing and chest problems?

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Q. Urbanization is the increase growth of

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Q. Which countries depends mostly on exporting minerals?

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Q. Which lung disease is caused to a miner by inhaling quartz is called?

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Q. The southern oceans hold on dissolved gases such as

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Q. Sustainable harvesting of wild plants and animals is known as

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Q. The southern oceans borders

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Q. Gene bank are vulnerable to disease,human error and

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