In this sentence, the author uses logos by providing clear and exact information about population growth both in the United States and outside of it.
He uses this infomation to convince his readers that, due to this rapid increasse, his solution, as hard and unmoral as it might seem, is the right one to deal with this global and pressing issue.
The argument based on logos relies on logic and supporting evidence. Among the choices, the answer is <span>D. As of 1973, the U.S had a population of 210 million people, who were increasing by 0.8 percent per year. Outside our lifeboat, let us imagine another 210 million people (say the combined populations of Colombia, Ecuador, Venezuela, Morocco, Pakistan, Thailand and the Philippines) who are increasing at a rate of 3.3 percent per year.</span>
