Polythene bags,mobile batteries,dry leaves, injection needles
Find the odd one out
Answers
Dry leaves is odd one out.
•In the given options, dry leaves is the only thing which is non toxic to humans and animals.
•Polythene bags are non degradable.
•On consumption by animals, they cause their death.
•Mobile batteries are toxic for environment.
•They release harmful chemicals.
•They also also responsible for emission of greenhouse gases.
•Injection needles when thrown in environment can cause harm to animals and marine life.
•They also contaminate water bodies.
•Dry leaves come from trees.
•They degrade to act as fertilizer for soil.
•Their consumption too is non toxic and non harmful.
•Thus, dry leaves are odd one out ingiven options.
Dried leaf is the odd one out.
Explanation:
- Dry leaves are biodegradable substance whereas the rest of the following are non-biodegradable substance.
- Biodegradable substances are those which are rapidly ‘broken down into smaller’ and simpler parts by the microorganisms present in the soil.
- Also the biodegradable substance can easily be dumped into the soil. All the others are to be degraded by using physical or chemical means - the best way is to burn then in incinerators.
Learn more about Dried leaf
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