Companies may draw water from nearby sources, including the ocean, to cool industrial equipment. After the water has passed through or over their equipment,
it is returned to its source. The heated water contains less oxygen than cool water.
What happens when companies expel heated water into the ocean?

A. All marine organisms suffer an oxygen shortage.
B. Marine organisms breathe less during an oxygen shortage
C. Freshwater organisms suffer an oxygen shortage
D. Some marine organisms suffer an oxygen shortage