C. Human-made goods must be delivered on the oceans.
The air we breathe are mostly comes from the ocean. The ocean produces about half of the world's oxygen. It absorbs 50 times more carbon dioxide than our atmosphere which acts as Climate regulator. We know that ocean covers 70 percent of the Earth's surface, the ocean is used for the transportation of goods across the globe. The other means of transport are very expensive as compared to ocean.
So we can conclude that option C is the right answer because ocean is used for the transport of goods.
Learn more about ocean here: https://brainly.com/question/1145641
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