Q. What is used for agricultural improvements?

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Q. What types of crops are grown in the plantation farming?

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Q. Which climate has dry season during which temperatures are high enough for crops to grow provided that water is made available?

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Q. In which farming the cash crop is only grown for export?

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Q. Why in the past it was not possible to grow the same crop on the same land piece of land?

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Q. How tundra is distinguished from other biomes?

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Q. Which biome winters is desprately cold -30C or lower?

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Q. What are the characteristics of tundra?

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Q. Which biome average summer temperattures is below 10 C?

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Q. Why trees do not grow in tundra?

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Q. What is the annual precipitation of Tundra?

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Q. Which biome has a long dry season?

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Q. What are the examples of tall grasses?

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Q. In the savanna glassland the tree gowth is

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Q. When plants and animals die which important product is released?

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Q. Which trees leaves are leathery and many have dripped tips at their points?

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Q. Why the tropical trees have leathery leaves?

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Q. In cacti why the leaves are reduced to spines?

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Q. What is absorbed by the roots for plant food?

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Q. What are the characteristics of coniferous plants?

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