Which of the following is the earliest era

Options

A. Permian
B. Triassic
C. Cretaceous
D. Jurassic

Answer

C

Explanation

The correct chronological order of the geological eras (in million years before the present) are as follows: Cretaceous: 72.1 - 145 , Jurassic : 152.1 - 201.3 , Triassic : 208.5- 201.3 , Permian: 254.2 - 298.9.