EasyEasy Science
Which is the most abundant element in the universe?
Riddle
Which is the most abundant element in the universe?
Choose an answer
A.Oxygen
B.Helium
C.Carbon
D.Hydrogen
Hint: It's a word with 8 letters, starting with "H".
Answer
Hydrogen
Why this is the answer
Hydrogen makes up about 75% of the elemental mass of the universe.
This riddle is filed under Science Riddles and rated Easy.