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MBD -HARYANA BOARD-OUR ENVIRONMENT-EXAMPLES
- Explain with the help of a food chain how does bio-magnification of ha...
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- if plants get 20,000 J of energy from sun,how much enrgy will be avail...
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- Why do the food habits of first and third tropic levels differ?
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- How much joules of energy will be receved by vulture in the chain of t...
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- How does ecological pyramid represents the graphical representation of...
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- How is ozone made in atmosphere?how is it depleting?
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- In railway trains,tea/coffee is served in earthen pots and disposal cu...
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- What is ozone hole ? What is its significance.
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- Write the harmful effects of ozone deplection.
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- Explain global warming.
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- How is acid rain formed?
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- What is global warming?
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- List four common disposal methods?
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- Complete the sketch by labelling A,B,C,D to illustrate food web.
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- Match the following :
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- What do different countries discuss their problems based on environmen...
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- In which biogeochemical cycles do various interactions take place?
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- Which substances are called waste substances?
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- What help in digestion of food in our body?
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- Which substances are specific in their action?
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