1. Nearly 1/5 of the entire ocean floor has been discovered.
2. it is important that we map our ocean floors so that we understand more about our earth. Learning more about our earth can give us more information about life in the past.
Hope this helps :)
<span>Using the Oxford Comma (a comma after the second item) is correct punctuation. It is correct to say, "I listed Mr. Steward, Mrs. Thomas, and Mr. Colley." It is incorrect to say, "I listed Mr. Steward, Mrs. Thomas and Mr. Colley."</span>
Answer:
Percy Jacksons team, which ever one that is