Q. What are the other effects of high level of ozone in the atmosphere?

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Q. In 2000, how many people do not have access to clean water and sanitation?

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Q. Air pollution is an

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Q. In developing countries, less than 25% people don't have access to

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Q. What is the most characteristic features of tropical rain fosrest?

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Q. What percent of population in developing countries has an access to clean water?

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Q. Every year how many people die from water disease?

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Q. What are the other effects of reducing the water vapors returned to the atmosphere?

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Q. What are the causes of reducing water vapor returned to the atmosphere?

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Q. What percentage of people in developed countries has an access to piped supplies of clean water?

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Q. What are the direct effects of reducing the water vapors returned to the atmosphere?

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Q. What is the greatest contributor of gases in the atmosphere?

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Q. What carries the air pollution to other neighboring areas?

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Q. What is produced by opencast and deep mining on the surface?

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Q. Which country exports coal to Japan?

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Q. Carbon released in the atmosphere increase the level of

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Q. Pipelines break and oil seeps into the ground, causing

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Q. What has replaced coal in trade?

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Q. Five of the world's top fourteen oil producing countries are located in

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Q. Which region of the world is the second largest produces oil?

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