Yоu аre driving аt night trying tо find а radiо station to keep yourself awake. You find a talk-radio station in which a person is talking about climate change. "Great!" you think, "this will be interesting to listen to." The radio personality is talking about climate change and saying that over the last 400,000 years the earth has experienced warm temperatures similar to the temperatures of today. He goes on to suggest that the current warming trend must not be caused by human activity. What would be a scientifically supported statement to yell at your radio in response?