0.057 – 0.041 =

Colin L. Powell was appointed Secretary of State by George W. Bush on January 20, 2001, after being unanimously confirmed by the U.S. Senate. He served for four years, leaving the position on January 26, 2005. He was the first African-American to serve as Secretary of State.

Magma is the molten rock found beneath Earth’s mantle layer which when comes out of the crust is called lava.