<span>This is an ethological approach. In this viewpoint, behaviors are best described as being "all-natural," and are adaptive to their surrounds and cultures. In ethology, the researcher tends to use naturalistic observation moreso than laboratory conditions, which would be more apt to be used by the behavioralist researcher.</span>
Answer: D. An economic system characterized by voluntary allocation
Explanation: Socialism promotes or encourages the need for production, distribution and exchange to be run by community at large instead of only the government running the affairs of the community.
Socialism is a shared responsibility for the production and distribution of resouces between individuals in the community or a group. It is the economic and political theory that encourages individuals to do things collectively for the common goal of the society.
The term that best describes Sarah’s behavior is procrastination.
This occurs when the individual is likely to avoid or does not prioritize the
things that he or she should do or accomplished and that they are likely to be
done in the last minute or before the deadline.
The Marginal Rate of Substitution refers to the rate the consumer is willing to trade for another good to maintain the level of satisfaction. It is described by ratio of prices. Maximum satisfaction is achieved when trade offs between two goods are equal.