Ferns, such as the one in the picture, can be found today. They are usually found growing in warmer climates. However, fossils of ferns have been found in places with cold climates where it often snows today. What can we conclude about the places where the
fossils of ferns have been found?
A)
Ferns used to live in cold climates.
B)
These places once had a warmer climate.
C)
These places once had a colder climate.
D)
Someone tried to grow ferns in cold climates.