The Abundant Remains of Ammonites in Oklahoma Indicate

Multiple Choice

The abundant remains of ammonites in Oklahoma indicate:

A) That Oklahoma was in the past a vast desert with almost no rainfall
B) That Oklahoma was in the past part of a mountain range that has now eroded
C) That Oklahoma was in the past covered by a shallow ocean
D) That Oklahoma was part of a vast tropical forest
E) That Oklahoma was always a grassland