The answer is “who” referring to one person
Francis Bacon wrote serious essays about travel, truth, and riches.
He was born in London in 156. He was a lawyer, statesman, philosopher, and master of the English tongue and also called the father of empiricism- a theory that states that knowledge comes only or primarily from sensory experience.
Answer C. Research shows processed foods can be unhealthy.
Explanation: where essays requiring research are concerned, this topic is too broad because I am able to find thousands of sources when conducting a simple library or Internet search.