Answer:
c) The eruption at point A would be quiet because the magma that squeezes out through oceanic crust has low silica and gas content.
The movement of the Earth plate made Canada have same fossils or other materials from other countries. It changed the ocean direction, and climate.
Fact: The plate moves one centimeter each year.
I find that the best answer is the following one:
c. determined by factors outside our control
For example, even though life is very hard in the very hot and the very cold regions, we can't control it: so this is an example of a physical environment that is hard to control.
In comparison, it is often easier to describe than our social environment.
