Suggest how different human factors can affect the shape of a flood hydrograph

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

Where does the availability of water pose the greatest problem

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d