Earth's atmosphere is mostly made up of nitrogen, which makes up 79 percent. The atmosphere contains 20 percent oxygen and 1 percent other gases.
no
scientists think that the earths core is made up of mostly iron, and contains smaller amounts of copper nickel.
The Inner (solid) and Outter (liquid) Core are made up of Nickel and Iron.
basalt and granite
The outer cores is made up of mostly iron and nickel in a liquid state.
core
nitrogen
Umm iron?
Limestone is mostly calcium carbonate.
Earth's atmosphere is mostly made up of nitrogen, which makes up 79 percent. The atmosphere contains 20 percent oxygen and 1 percent other gases.
Earth's crust is mostly made up of Silicon and Oxygen
earth core is made of an alloy of.... MOSTLY IRON AND NICKEL