The idea that the raising of children should be done primarily by the family helped promote the idea of family as haven. Haven is defined as safety by which this symbolizes a family as the family is likely to represent a home to every individual.
I assume that the question here refers to the process of evolution. The "helpful variations" are small mutations that allow the organism to have a small advantage over other - and this organism can then pass this variation to its children better than other organisms, meaning that with time, more organisms will have it. This will accumulate over time and the percentage of organisms with this mutation will increase.
Gretta is most likely to name her daughter as the person that she would like to care for her if she became ill or disabled. However, it is vital to note that most people in the country that have lost their spouse prefer to live alone,
Answer: A is the correct answer
Explanation: hope this helps