Someone plz help!!!!!!!!
The table shows different geologic time periods:


Period Number of Years Ago

Jurassic 2.08 ⋅ 10^8

Silurian 4.38 ⋅ 10^8

Tertiary 6.64 ⋅ 10^7

Triassic 2.45 ⋅ 10^8

Order the time periods from oldest to youngest.

A. Tertiary, Jurassic, Triassic, Silurian

B. Jurassic, Triassic, Silurian, Tertiary

C. Silurian, Triassic, Jurassic, Tertiary

D. Triassic, Silurian, Jurassic, Tertiary