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(i) What is meant by 'non-biodegradable'...

(i) What is meant by 'non-biodegradable' waste?
(ii) ldentify the biodegradable wastes from the following Empty packet of chips, empty plastic bottle of mineral water, empty paper box of sweets, empty tin can of a cool drink.

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(i) Substances that do not break down by biological process are called .non-biodegradable". waste.
(ii) Empty paper box of sweets .
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ZEN PUBLICATION-OUR ENVIRONMENT -ZEN ADDITIONAL QUESTIONS SECTION ( VERY SHORT ANSWER [VSA] TYPE QUESTIONS )
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  10. Why are non-biodegradable substances not broken down by microbes?

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  11. Decomposers are referred to as "nature's cleansers". Why?

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  12. Why are green plants called producers ?

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  13. Define ecosystem.

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  14. Which chemical is used In fire extinguishers? How is it harmful?

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  15. Why is a food chain having two steps, the most advantageous in terms o...

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  16. ldentify which one of the following would have a hazardous impact if i...

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  17. List two ways by which biodegradable substances would affect the envir...

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  18. Select from the following the substances which pose a threat to the en...

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