Derek's science class is studying a section of their textbook on pollution. Derek is assigned a 5-minute presentation about one of the chapters on which he has to persuade someone to see his point of view.
Which of the following would make a solid thesis for Derek's essay?
OA. Car pollution is leading to several environmental issues and I think we should never use cars and just use bicycles and
horses.
OB. The ozone layer protects the Earth from the sun's harmful rays, which can cause skin cancer after too much exposure.
OC. Because the Earth's ozone layer is shrinking, we should use more public transportation and cut down on the number of
cars on the road.
OD. Too much exposure to the sun can cause skin cancer according to several leading scientists who have studied this
phenomenon.