Chart entitled "The Deadly Rise in Human Population". The chart plots year on the x-axis and population in billions on the y-axis. The axis is divided into equal intervals of 10 years, from 1950 to 2050. The y-axis has equal intervals of 1 billion people. Which of the following features in the graph is misleading? a.) The data are obscured. b.) The x-axis has gaps in the scale. c.) The data points aren't clearly labeled. d.) The title introduces bias