Should the US allow immigrants from latin american or middle east countries?

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

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

Suggest 3 different reasons why there is an ageing population in the uk .