Chapter 2, Problem 4QQ

Choose the best answer to each of the following. Explain your reasoning.

We can be sure that variation in Earth’s distance from the Sun are not the cause of the seasons, because (a) Earth is always exactly the same distance from the Sun. (b) if distance were responsible for the seasons, both the Northern and the Southern Hemisphere would have summer at the same time. (c) if distance were responsible for the seasons, seasonal temperature changes would be much more extreme.