If you divide by 20 from 10 then multiply by 15 you will get 3.9
Answer:
C
Explanation:
A hot spot develops above the plume. Magma generated by the hot spot rises through the rigid plates of the lithosphere and produces active volcanoes at the Earth's surface. And as oceanic volcanoes move away from the hot spot, they cool and subside. As a result they produce older islands, atolls, and seamounts.
What Ilustration are u talking about and what’s the question?
It is showing the most populated areas at that time range