<span>The correct answer is: carefully precise</span>
B. Biofuels transferred over 100 million tons of cereals from plates to petrol tanks: to fill a 4 x 4 tank requires enough grain to feed a poor person for a year."
By saying this he uses logos, or logical reasoning by presenting facts and hard numbers the author makes the reader see how much is wasted or is used to fill a tank, is enough to end poverty worldwide.
A because if you take out the "who's" turn it into "who is" then does it sound right
I guess instead of media go to an experienced person who know democratic information. Or find a legit person through media to talk with.