Question

3. Explain why do we seal the tyres of bicycle or cars after filling air in them?​

Answer 1

Answer:

Nitrogen molecules are larger than water, oxygen and most others, so they percolate through tyres more slowly. This means tyres stay at a usable pressure longer. This is the main benefit that a cyclist will see. ... Nitrogen is less reactive than oxygen, so your tubes will last a little longer.

Explanation:

I hope it helps you

Answer 2

Answer:

thanks bro

Explanation:

a natural fuel such as coal or oil, that was formed millions of years ago from dead animals or plants in the ground