PLEASE HELP ME THIS IS DUE SOON! What are the causes of rapid urbanization, and what are typical effects on cities where rapid population growth occurs?

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

The earth's internal process which drives seafloor spreading is

In a river, which of the following would most likely be carried by suspension? this is called