It’s “not pretty” because of their opinion about it
Answer:
The correct answer is <u>D</u>: Chronological order.
Explanation:
In this excerpt, the author describes the period of dinosaurs, that is, about 250 million years ago to 65 million years ago and it as divided into three periods. The information of the excerpt is organized chronologically, in order of time.
The author divides the period of dinosaurs into:
1. The Triassic Period (from 250 to 205 million years ago)
2. The Jurassic Period (from 205 to 138 million years ago)
3. The Cretaceous Period (from 138 to 65 million years ago)