The best answer to go with is b
Answer: Use this link to find out the answer to your question - https://populationeducation.org/stage-1-demographic-transition-model/ (If you can't click it then just copy-paste it in a new tab)
Have a nice day ahead :) <3
The answer is a political system
Answer:
How do people survive in Antarctica in the winter? Mainly by staying on the station. By not leaving at all during the permanent night, by not travelling for too far and by staying put in a tent or hut if caught out in a blizzard rather than trying to go back to the station.
Explanation: