Q4. Two separate pits A and B are dug in the ground about 30cmdeep. Material C is placed in pit A whereas another material D isplaced in pit B. Both the pits are then covered with soil. When thepits were dug up after a month, it was found that material Cremained as such but material D had rot completely.i)ii)iii)What type of material is C & D?Give one example of material like C and D.What is responsible for the rotting of material D?
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Answer: i] c is Non-biodegradable material
d is biodegradable material
ii] c-glass
d-vegetable peel
iii] the material D is rotten because of the bacterial effect on it. The micro organisms degrades them and turns then like soil .
Explanation:
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Answer:
- Material C is non-biodegradable product. Example, plastic
- Material D is biodegradable product. Example, kitchen waste, paper
Explanation:
- Non biodegradable waste : These products does not degrade. Even if they do it will take thousands of years. Its because microbes couldn't act on them.
- Biodegradable products: these are ones that are easily degraded by microbes. These products get converted to simple organic and inorganic compounds by the action of microbes. These microbes digest these products by the releasing chemicals or engulfing them.
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