Sweetgum trees grow in about half of the United States. They grow in places that are not too dry
and not too cold. They do not grow in Wyoming, which is dry and very cold in the winter.
Based on the fossil, what can you say about the environment in Wyoming 40 million years ago?
A. It was colder and drier than it is now.
B. It was on a the coast of an ocean.
C. It was warmer and wetter than it is now.
D. It was under water.