The answer is A. embarrassed.
Explanation:
it serves as a source of living for man
The Pacific Ocean is. Its area is about 63.8 million square miles.
That's about 46 percent of all the water area on Earth, and about
one third of the total area of the whole Earth ... land OR water.
The correct answer is b. Laurasia and Gondwanaland!
Gondwanaland (also called just Gondwana) is today's South America, Antrarctica Africa and Australia, and additionally parts of Asia, such as India
Laurasia is today's North America, Europe and parts of Asia.