Q. What is the main reason for the reduction of ecological services?

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Q. Humans are completely depended on the natural forest for food.

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Q. Which of the following factor help to conserve water quality?

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Q. Which of the following helps to preserve biodiversity?

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Q. Which of the following is the important pool of carbon?

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Q. Which type of forest is widely used for outdoor recreation?

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Q. How did ecosystem services help for pollination of crops?

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Q. According to Millennium Ecosystem Assessment, how many percent of ecosystem services are used unsustainably?

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Q. How many categories of service provide of ecosystem to humans according to ‘Millennium Ecosystem Assessment (MEA)?

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Q. Ecosystem services are the benefits that humans freely gain from nature.

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Q. How many grams of air in a liter ?

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Q. What is temperature of thermosphere?

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Q. What is altitude of troposphere?

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Q. What is altitude of menopause?

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Q. What is outer limit of stratosphere?

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Q. What is percentages of N₂ in atmosphere?

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Q. Water enters atmosphere by

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Q. Which layer of atmosphere do clouds, storms and wind occur in ?

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Q. What is lower layer of thermosphere called ?

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Q. What helps atmosphere hooked up to earth ?

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