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संबंधित प्रश्न
Why are some substances biodegradable and some non-biodegradable?
Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.
What is sewage? How is sewage disposed of?
Define electronic waste and list at least six items which come under this category.
What does mining waste comprise of?
The question has four options. Choose the correct answer:
Which one is the most toxic?
To what use can you put the following kind of garbage and how?
Rotting smelly garbage
Put a tick (√) against the garbage items given in Table 16.1 which could be converted into manure. Put a cross (×) against the others.
| Garbage Items | Make manure or not | |
| (i) | Egg shells | |
| (ii) | Straw | |
| (iii) | Dry flowers | |
| (iv) | Pebbles | |
| (v) | Broken pieces of glass | |
| (vi) | Nails and screws | |
| (vii) | Plastic bangles | |
| (viii) | Left over food | |
| (ix) | Steel broken vessel | |
| (x) | Dead animals |
What happens when tea leaves, cotton swabs and old soft toys are thrown into the drain?
"The change in packaging has resulted in waste becoming non-biodegradable." Giving two examples from daily life, justify this statement.
