water
mountains of course
The grand canyon
silicon
The desert biome makes up a large portion of the southwest United States.
The petroleum industry makes up a large portion of Nigeria's wealth. The country is a member of OPEC.
Very common. It varies greatly but it usually makes up a large portion of air.
social security tax
papers
It is called plasma, and it makes up a large portion of the blood.
Oxygen is the most abundant element in the Earth's crust, making up about 46.6% of its mass.
Landfills are filling up fast because the United States has a lot of people living in it. They create a lot of trash, so landfills are quickly filled. A good portion of the trash is excess packaging, and recycleable materials such as paper, plastic, lumber, and metal.