Where can we find water vapour?

Q. When we breathe in, we inhale the air around us which contains oxygen.

Q. Will the tiny air bubbles seen before the water actually boils, also appear if we do the boiling water in a vessel activity by reheating boil water kept in an air tight bottle?

Q. Assertion :About 70% of the Earth's surface is covered with water. But still, we face a severe scarcity of water. Reason: The gaseous form of water is the water vapour present in the air around us.

Q. The hot air we breathe out contains water vapours which turn into tiny droplets of water when it comes in contact with the colder glass of spectacles.

Q. We can find data all around us.