So no one gets hurt in case of an emegancy
The author uses a chronological structure in the "History" section <u>D. to show important events</u> in the order that they happened.
<h3>What is a chronological structure?</h3>
A chronological structure follows the logical arrangement of events according to the time of occurrence.
The author does not use a chronological structure to show the:
- Effect parks have
- Unimportance and randomness of history
- Modeling of the park system.
Thus, the author uses a chronological structure in the "History" section <u>D. to show important events</u> in the order that they happened.
Learn more about chronology at brainly.com/question/26719078
The use of a comma is to make a slight pause in the sentence, and the only sentence that uses the comma(s) correctly is choice A. :)
Answer: SEA AND OCEAN
Explanation:
SEA IS A ONE PART OF AN OCEAN
THE OCEAN IS A BIG WATER BODY CONSISTING OF MANY SEAS
