What month of the year has 28 days?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

The more of this there is, the less you see. What is it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What has many keys but can’t open a single lock?