Natural features like fertile farmland would likely exist in a densely populated area of the world
Answer: Option B
Step-by-step explanation:
A fertile farmland is the most reliable source of doing agriculture and having good climatic conditions. Mostly, people can live where the geographical criteria available like soil fertility, fresh water/ river available, along the coast, flat terrain, and in the temperate climate regions. So, there is no possibility to have a densely populated area in sub-zero temperatures as it is freezing.
Human beings are deemed unfit to survive in such extreme weather conditions. While in mountainous regions due to the rough and uneven terrains and the likelihood of landslides limits the population of humans there. Swamp marsh comprise of a variety of species that are accustomed to live in flooded areas which is not ideal for human settlement.