Answer:
a. beliefs
Explanation:
In this example, there is a noun belief that can be described like acceptance that something is true but there is no evidence, and believing in this without evidence. The noun in the singular is a belief, but in this example, it should be in the plural. The noun with ending in -f get -s in the plural. This noun does not change -f into -v like in examples: knife-knives or wolf- wolfes. If it changes -f into -v it should be believes and that is a present time of the verb to believe.
The answer is TRUE. Prehistory is define as the time before the people could write, or it was the time before recording events started. It denotes that it was the time that people are still writing on the walls and on the rocks.
C. 56,000
Sited by NHTSA stats and driving schools across the United States of America.