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How is ecological balance maintained?...

How is ecological balance maintained?

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MBD -HARYANA BOARD-OUR ENVIRONMENT-EXAMPLES
  1. Which man will get more energy-vegetarian of meat eater?give reason

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  2. Explain with help of a diagram how is life on earth dependent on sun?

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  3. How is ecological balance maintained?

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  4. Name the chKHOicals which are considered responsible for hole in ozone...

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  5. Name the activites of human beings those have caused much harm to envi...

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  6. Name the problKHOs created by human beings for whole of the world?

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  7. Distinguish between decomposers and parasites?

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  8. A food chain is given below: GrasrarrDeerrarrlion?What will happen if ...

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  9. Explain with the help of a food chain how does bio-magnification of ha...

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  10. if plants get 20,000 J of energy from sun,how much enrgy will be avail...

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  11. Why do the food habits of first and third tropic levels differ?

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  12. How much joules of energy will be receved by vulture in the chain of t...

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  13. How does ecological pyramid represents the graphical representation of...

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  14. How is ozone made in atmosphere?how is it depleting?

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  15. In railway trains,tea/coffee is served in earthen pots and disposal cu...

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  16. What is ozone hole ? What is its significance.

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  17. Write the harmful effects of ozone deplection.

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  18. Explain global warming.

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  19. How is acid rain formed?

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  20. What is global warming?

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