What percentage of earth’s crust is made up of non-silicate minerals?
4 percent
20 percent
50 percent
96 percent

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

How do symptoms created by inflammation the doctor

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a