The answer is A.changes in abiotic factors often affect population size.
To deal with the challenges posed by the midlatitude temperate climate, Europeans have developed a sophisticated system of Drainage system for their houses and communities.
<h3>What is
Drainage system?</h3>
Drainage system serves as the system that allows easy flow of water so as to avoid blockage of water which can lead to serious erosion.
However, Europeans have developed a sophisticated system of Drainage system so as to overcome challenges posed by the midlatitude temperate climate.
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-33.918861, 18.423300 I think is the coordinates
Southeastern coast
I am pretty sure this would be right as I have had a friend from Australia tell me this good luck.