Using the data represented in the graph, what is the best conclusion you can make about the global temperatures? 1. By 2005, the global temperature has decreased by 1.3 degrees Fahrenheit
2. Since the late 1800s, the temperature of the planet has not changed
3. By 2005, the global temperature has increased by 1.3 degrees Fahrenheit O
4. By 2005, the global temperature has increased by 1.9 degrees Fahrenheit​