Multiple choice

Why substances like tin, aluminium metal cans are advised to be banned?

  1. Because they get decomposed easily by bacteria

  2. Because they do not decompose easily by natural process

  3. Because they can be recycled again and again

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Non-biodegradable substances are the ones which cannot be broken down further into simpler substances by natural processes. Tin, aluminium and metal cans possess the same property and thus, are known as non-biodegradable substances. Such substances are hard to dispose of. Hence it is advisable to minimize the use of non-biodegradable material.

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