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प्रश्न
A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?
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उत्तर
It would take 16 to 17 generations to see the plastic bag finally broken down.
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संबंधित प्रश्न
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Motor cars are coated with ____________.
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
______ are used to identify different types of plastics.
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of ______.
Plastics are flexible and waterproof and some are even UV resistant.
A survey showed that one-time-use plastic items were among the top 10 plastic items found in garbage washed up from oceans. Can this be true? Explain how.
Assertion (A): PVC is an unsafe plastic.
Reason (R): Burning PVC releases dioxins, a most toxic chemical.
Answer the following by rearranging the jumbled letters :
Plastics made of _______ are represented by resin code #6.
sytlopynere
Answer the following by rearranging the jumbled letters :
One-time use plastics are also known as ______ plastics.
áwyrhotwa
