What scientist is credited for proposing the theory of continental drift?

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

Many feel that the u.s. should not give money to the world bank to aid people in other countries. true or false

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