How does popcorn was made

Why does sugar water make our tooth hurt and when we drink water it makes us tooth relief

Why does animals has strip ?

What is allergy and what does it to us ?

Why do worms come out when it rains?

How do dogs predict natural disasters?

Is there other creature and what they do ?

What does sharks do ?

How do we smell rain and how do we smell rain in plants?

Where does acid came from and does it damage our department /houses ?