We would be looking for a rather small country with a relatively population. It would also probably not include land that is relatively uninhabitable: mountains or jungle or deserts.
The correct answer is: Ecuador. Its population is 16 million and the population density is 55 people per square kilometer.
Answer:
Volcanic islands are formed as a crustal tectonic plate containing an ocean moves over a magma hot spot.
... This magma carries an enormous amount of heat, and it can then be released into the crust and createmagma chambers there.
Answer:
Greenhouse affect - atmosphere traps heat
Ice age - coldest phase of climate cycle
Sun's output - can vary
Greenhouse gases - atmosphere traps even more heat
Changes in the orbit of the earth caused the ice sheets to spread across Canada.