Magma can cool to form an igneous rock either on the surface of the Earth-in which case it produces a volcanic or extrusive igneous rock, or beneath the surface of the Earth, - in which case it produces a plutonic or intrusive igneous rock.
Applying for an EIN number is free of charge and can be completed online. I've linked the IRS area below where you'll learn more about the application process. http://www.irs.gov/businesses/small/arti...
If your business employs workers, withholds taxes on the wages and salaries it pays or you operate the business as a corporation or partnership, then the IRS requires you to obtain an EIN number. An EIN number is also necessary for estates, trusts and non-profit organizations, to name just a few.