Choose the correct answer from each of the four options given below.
(i) Which one of the following is non-biodegradable?
A
Bark of trees
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B
DDT
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C
Vegetable peel
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D
Cardboard
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Solution
The correct option is B DDT DDT is harmful to all organisms of the planet as it is non-biodegradable and tends to become more concentrated as it moves up the food chain.