Spider webs are made up of ______, a natural fibre made up of protein.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. silk.
- Spiders make their webs from silk.
- Silk is a natural fibre made of protein.
- Not only does spider silk combine the useful properties of high tensile strength and extensibility, it can be beautiful in its own right.