Riddle

I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each. What am I?

Choose an answer

A.air
B.oxygen
C.hydrogen peroxide
D.water
Hint: It's a word with 5 letters, starting with "W".

Answer

water

Why this is the answer

Water (H2O) is made of two hydrogen atoms (each atomic number 1) and one oxygen atom (atomic number 8) — 'two thirds the same' and 'one of the thirds is 8.'

This riddle is filed under Long Riddles and rated Hard.

Related Riddles

All Long Riddles