What are metamorphic rocks used for?

The blank theory suggests that the sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas? a.) condensationb.) steady state c.) big bang d.) nebular

With these question would be nice i needs them in a hurry which nation leads eastern europe in nuclear energy usage? a ukraine b lithuania c slovakia d solvenia which eastern european nation is popular with skiers? a czech republic b estonia c bulgaria d none are

What ocean lies to the north of both asia and north america