The graph below shows the sunspot number observed between 1750 and 2000.

based on the graph, which of these periods most likely witnessed the greatest increase in average global temperatures? (2 points)

1750 to 1800

1850 to 1900

1900 to 1950

1950 to 2000

After 20 minutes of waiting outside the baggage claim area for your friend to pick you up, you decide to go inside the airport terminal and phone her. standing a short distance from you is a kind-looking older woman. "would you mind watching my luggage so i can go make a quick phone call? " you ask politely. "i'd be happy to watch it for you," she replies, "my ride is not coming for another half-hour." when you return less than five minutes later, the old lady and your luggage (including your laptop) are gone. this example illustrates one of the problems associated with: ethnocentrism. the "feel good, do good" effect.the rule of reciprocity. an implicit personality theory.