Question

D. Complete the following.
1. ...... fibres compete with wool.
2. Polythene carrybags drains and
3. Plastics are generally i.e., they are not environmentally broken down to simpler, harmless
substances.
4. On being burnt, plastics give ...... gases. .
5. Nylon has a ...... tensile strength than cotton.
6. On being heated, polyester and nylon ...... before they burn.
substances. non-biodegradable​

Answer 1

Answer:

1) Arcylic fibre

2) Block drains and sewers

3) Plastic are generally non- degradable

4) Harmful gases

5) higher

6) melt