1) Companies may draw water from nearby sources, including the ocean, 20 points
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 happen 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
Other:

Coastal population centers are at risk due to sea level rise brought on by global warming. The coastal waters are polluted with nutrients and chemicals from agriculture, which causes an oxygen shortage that kills marine life including shellfish. Various runoff and sewage are dumped into the oceans by factories and industrial facilities.

What is the negative effect of carbon dioxide in the ocean?

More carbon dioxide is evaporating into the ocean as a result of human-driven increases in atmospheric carbon dioxide concentrations. Currently, the ocean has an average pH of 8.1, which is basic (or alkaline), but when more CO2 is absorbed, the pH drops and the ocean turns more acidic.

Coral bleaching is a result of warmer waters, which also affects coral reef ecosystems, which are home to a wide variety of marine biodiversity and are essential sources of human food. Marine organisms may migrate in large numbers in pursuit of ideal feeding and breeding environments as a result of warming ocean waters.

Thus, Ocean acidification is the term used to describe a long-term decrease in the ocean's pH that is mostly due to the ocean's absorption of atmospheric carbon dioxide (CO2).

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