Question

Which layer of the Earth contains most of the Earth's mass?
A.outer core
B.crust
C.inner core
D.mantle

Answer 1

The "Mantle" is what contains most of earths mass.. So your correct answer is letter choice ( D ) .... 

Hope it Helped :) 

Answer 2

The layer on the Earth which contain most of the Earth's mass is mantle, which is made up of silicate compounds, iron silicon, magnesium, oxygen and aluminium.