Madhya Pradesh Police Exam Model Paper 2

The correct answer is option 3 i.e. Oxygen.

• The most abundant element is Oxygen.
• The most abundant element in the Earth's crust is Oxygen.
• Oxygen is making up about 47% of the earth's mass.
• But, Hydrogen is the most abundant element in the Universe.
• Hydrogen is making up about 3/4th of the mass of the universe.
• Helium is second making up to 25%.
• Oxygen is the third most abundant element of the Universe(Not in Earth's crust).