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Question
Which of the following does not have a negative impact on the environment?
Which of the following does not have a negative impact on the environment?
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Solution
The correct option is D Cattle dung
Biodegradable substances are substances that are easily decomposed by natural decomposers and therefore, they do not cause harm to the environment. Examples: human and animal excreta, plant wastes. Whereas, non-biodegradable substances are those substances that cannot be decomposed by natural decomposers. They harm the environment. Examples: radioactive wastes, chemical wastes like DDT, aluminium cans, plastics, etc. Thus, the correct answer is option D.
Biodegradable substances are substances that are easily decomposed by natural decomposers and therefore, they do not cause harm to the environment. Examples: human and animal excreta, plant wastes. Whereas, non-biodegradable substances are those substances that cannot be decomposed by natural decomposers. They harm the environment. Examples: radioactive wastes, chemical wastes like DDT, aluminium cans, plastics, etc. Thus, the correct answer is option D.
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