Why are you more easily able to sink to the bottom of the swimming pool when you expel as much air as possible from your lungs?

The size of the air bubbles rising from the bottom of an aquarium increases.Can you explain the reason ?

When you come out of a swimming pool on a windy day, you feel cold. Give reason.

You are inside a closed capsule from where you are not able to see anything about the outside world. Suddenly you feel that you are pushed towards your right. Can you explain the possible cause (s)? Is it a feeling or a reality? Give at least one more situation like this.

why are you more kikly to suffer from an infectin when you trvel by a bus or a tarin for long hours?

The size of air bubbles rising from the bottom of an aquarium increases. Can you explain the reason? What do you observe?

Why do you feel lighter when you swim?

Why do you feel lighter when you swim?

Why does the skin of your finger shrink when you wash your clothes for a long time ?

Why does water exert more pressure on you than air ?