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CBSE Class 10 Science 2017 Outside Delhi Term II Set 2 Paper

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Question : 3
Total: 12
In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
Solution:  
500J of energy is available to the rats thus according to 10% law, 50J energy will be available to snakes and 5J energy will be available to hawk
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