GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which elements are mostabundant in the visibleuniverse?
A
Hydrogen and Carbon
B
Carbon and Helium
C
Hydrogen and Oxygen
D
Hydrogen and Helium
Explanation: 

Detailed explanation-1: -Hydrogen is the most abundant element in the universe, accounting for about 75 percent of its normal matter, and was created in the Big Bang. Helium is an element, usually in the form of a gas, that consists of a nucleus of two protons and two neutrons surrounded by two electrons.

Detailed explanation-2: -Today hydrogen is estimated to account for 90% of all atoms in the universe, and it is essential to the material world. That includes ourselves: close to two-thirds of the atoms in our bodies are hydrogen.

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