Help pls. for my science quiz​

Who came up with the theory of evolution

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

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand