World Facts and Information
Hydrogen and Helium are the elements that make up the universe. Though there are elements like carbon, silicon and others, they are only a small fraction as compared to Hydrogen and Helium.
Hydrogen and Helium are the two lightest elements .
There are four invisible forces that hold together the universe. Among the four, ELECTROMAGNETISM AND GRAVITY seems to be the popular ones while the other two are STRONG AND WEAK NUCLEAR FORCES.
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