The answer is either B or D. Letter A doesn't make sense and letter C isn't right either because you need rainfall to have fertile plains.
Answer:
The 12 survivors are people who are married (6 couples), the word "single" is the keyword denoting those only people who are single had died.
Your answer is 2 i think thats what i got
A is the answer.
None of the world's largest cities are in Western Europe. Moscow is not in western Europe either.