Question

Which of the following is desirable and which of the following are undesirable

1. Breaking of glassware
2. Melting of snow
3. Rusting of iron
4. Waste produced from plastic bags
5. Spoilage of food
6. Formation of manure from dung

Answer 1

Answer:

Solve the following crossword puzzle:

Figure

Across

2. They are the agents of decomposition

4. It is usually non-biodegradable

5. The process to make new things using waste materials

Down

1. It can be used to produce biogas

3. Solid municipal waste

ANSWER:

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Answer 2

Answer:

1 , 4 ,5 ,are desirables and others are undesirable

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