Which of the following best describes pollution discharged by cruise ships?
a.
cruise ships only discharge sewage and liquid wastes.
b.
cruise ships discharge sewage, solid, liquid, and air pollution.
c.
it is illegal for cruise ships to discharge untreated sewage in the ocean.
d.
cruise ships do not discharge oil or petroleum waste.

The correct answer is option B, Cruise ships discharge sewage, solid, liquid, and air pollution.

Crusie ships are just like floating cities with population as high as 3000 to 5000 passengers. Such huge mass of population generate large amount of wastes such as gallons of grey water, sewage, oily bilge water hazardous toxic waste and tons of solid wastes. Also there is lot of exhaust released into the air. The Bluewater Network published a report on cruise pollution and urged the EPA (Environmental pollution act) to create no discharge zones to regulate wastes from cruise.

trachea, alveoli, lung capillaries, arteries

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