Reread lines 41-56. What is Cousteau’s two main reasons for his claim that we should explore the oceans?

Critical medical advances and sustainable  forms of energy.

Explanation:

In the commentary "Why Exploring  the Ocean Is  Mankind’s Next Giant Leap", the narrator Philippe Cousteau says that since earth's oceans have been explored to only about 10 %, there is a great potential of finding new discoveries and resources there.He claims that we should explore the oceans to yield discoveries in critical medical advances and sustainable forms of energy. He put these claims based on the evidence of finding AZT, a treatment  for HIV which is derived from a Caribbean reef sponge and the abundant availability of OTEC (ocean  thermal energy conservation) and wave energy.