Answer:here is the Answer
Explanation:
A thermostat regulates the temperature in your home by communicating with the HVAC system – if your home is too cool then the heat will come on, and if it is too hot then the air conditioner will come on.
I think D, because it talks about prompting more people to migrate.
They will have to adapt to climate.
The only solution to this problem is to say that the per capita GDP is higher for citizens in Chile than Brazil.
It makes sense cause the higher the capita the higher the growth rate is.
The answer to this would be A, because they began to spread westward once they decided to head away from the Arctic.