Question

The mass of the earth is mostly made up of which elements?​

Answer 1

Answer:

Iron, oxygen, silicone and manganese

Answer 2

Answer:

The mass of the earth is mostly made up of four major elements, which are iron, oxygen, silica, and magnesium.

Explanation:

• Iron constitutes about 35% of earth’s mass and presents mostly in the inner core and mantle.
• Next is oxygen which constitutes about 30% of earth’s mass and found mostly on the crust.
• Silica falls next occupying about 15% of earths mass and located in earth’s mantle and crust.
• Magnesium is the fourth abundant element constituting about 13% of the earth’s mass and is present in mantle and crust.
• The other elements that form the earth’s mass are aluminium, calcium, sodium, and potassium.