Deltas, because volcanoes are a build up of composites, glaciers are from ice melting and leaving behind composites. Deltas are when composites are washed away until there is a whole or trench.
I think the answer is B. Geographers use different kinds of maps, depending on the subject they are studying. <span />
A tornado appears because the warm and cold air starts to chase each other making the clouds form a tornado sprout that may or may not reach ground.
