Advertisements
Advertisements
Question
Give reason for the following :
Broken glass utensils are a kind of non-degradable waste.
Solution
Broken glass utensils are a kind of non-degradable waste as they cannot be decomposed and broken down by living micro-organisms. These need to be disposed off in deep dug out pits so that they do not cause any harm. However, sometimes broken glass in large quantities can be used in glass industries after melting them.
APPEARS IN
RELATED QUESTIONS
Why are some substances biodegradable and some non-biodegradable?
Give any two ways in which biodegradable substances would affect the environment.
What are the measuress adopted to prevent the spread of disease from sewage water?
The question has four options. Choose the correct answer:
Composting is carried out from
Choose the correct option:
The rotting of garbage is said to be completed when the garbage:
Discuss:
Is it possible to reduce the problems relating to disposal of garbage?
First link in any food chain is usually green plants because ______.
Which of the following is biodegradable?
Read the items mentioned in Columns I and II and fill in the related process in Column III
| Column I | Column II | Column III | |
| (a) | Organic waste | Earthworms | (i) ______ |
| (b) | Garbage | Dig pit and fill it with garbage | (ii) ______ |
| (c) | Old newspaper | Paper bags | (iii) ______ |
Which of the following is non-biodegradable?
