GK
THE UNIVERSE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What are the two most common elements in the universe?
|
|
Hydrogen and carbon
|
|
|
Hydrogen and helium
|
|
|
Helium and carbon
|
|
|
Carbon and oxygen
|
Explanation:
Detailed explanation-1: -Hydrogen is the most abundant element in the Universe; helium is second.
Detailed explanation-2: -Which atoms make up most of the stuff in the universe? About 98% of the mass of the universe is made up of only two types of atoms: hydrogen and helium. That’s because these two elements make up stars like our sun and most of the stars in the universe.
Detailed explanation-3: -Hydrogen is the most abundant element in the universe and oxygen is the most abundant gas in the earth’s crust. Hydrogen is the main component in the sun and the stars. It is present in very small quantities in the air.
There is 1 question to complete.