Answer:
B. Comparison: The sentences tell how the male and female acorn woodpecker are alike and different.
Explanation:
The paragraph not only explains that female acorn woodpeckers have different colored crowns than the males, but also that they have the same eyes, forehead, throat, and belly coloring.
I believe its the last one: 95% of the surface of Antarctica, which contains 70% of Earths freshwater supply, is covered by ice.
