When magma reaches the earths surface it's called what?

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

In 2002, north korea announced that it was shutting down its nuclear facilities constructing a hydroelectric energy plant restarting nuclear weapon development changing to a free market economy

Many somalian refugees sought entrance to the united states in 2006 and 2007. describe factors that encoura somalians to leave their country in the 1990s and 2000s