What european country consists of peninsula and many little islands?

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

Evaporite rocks te more permeable than reef rocks true false

Given that the volume of a cuboid is 180 cm³ and the area of one of its rectangular face 36 cm² what is the height of the cuboid