Answer:
There is a gradual decline of volcanic age form the continental to the oceanic. As some of the volcanoes get eroded away.
Explanation:
- The hotspot volcanoes are transported by plate movements as they move away form the mantel plumes the hotspot volcanism decreases. Then eventually the hotspots become extinct.
- Thus on the basis of age the youngest are near the places active tectonism where the magma is directly ground underneath the ground surface.
Finding new routes to places would allow for faster trading. This had a few advantages. The less time voyage took, the less expensive it was. It also meant a quicker turn around, and less spoilage of certain goods
You forgot the options, but I can give you some examples, maybe this will help:
A distribution map will show you where and how much of a certain thing is happening. for example:
the percentage of literate or illiterate people in the different places
some characteristics, for example the average age, or average income for people in a certain area - here you would give a different colour for the different age or income groups.
Answer:
On the northern United States and southeast Canadian seaboards