This element is the most common substance in the universe
- Antoine [PAR] Hydrogen is more plentiful than any other element, making up about 3/4 the mass 
... On earth, oxygen is the most common element, making up about 47% of the... [DOC] [TLE] Most Abundant Element in the Universe, Earth, and Body - Chemistry [PAR] Know the most abundant element in the universe, on the planet Earth, and in the 
human body.