Question

I also give medals.

Which of the following is the longest division of geological time?
A) period
B)epoch
C)era
D)year

Answer 1

C) Era

Answer 2

B

Answer 3

is c

Answer 4

The period is the basic unit of geological time in which a single type of rock system is formed. Two or more periods comprise a geological Era. Two or more Eras form an Eon, the largest division of geologic time. Some periods are divided into epochs.

Answer 5

I Agree with @ehvx and @chuy2. C