What is your opinion on nuclear energy ?

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

What does the plate tectonic theroy describe?

__ has (or have) been one of the most common pull factors of migration within the united statesa. lack of humanityb. gamblingc. seafoodd. well paying jobs