Answer:
C) manatee
Explanation:
According to Wikipedia, "Cetaceans are aquatic mammals constituting the infraorder Cetacea. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet."
The most important thing to note here is the part saying "exclusively carnivorous diet." Manatees are aquatic mammals with a fully aquatic lifestyle and large size, but they are <em>not</em> carnivorous. Manatees feed on water grasses, weeds, and algae, according to National Geographic. So, manatees are not cetaceans.
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The correct answer is D: catalytic converter. A catalytic converter is a device which reduces the effects of exhaust emissions. The catalytic converter converts toxic gasses in the released smoke or exhaust into less toxic pollutants using a catalyzing redox reaction. Catalytic converters have commonly been used in internal combustion engines and <span>furnaces</span>.
The complement system is part of the innate immune system.
Answer: Our kidneys filter out excess ions from our blood so that they can be excreted through urine. If the concentration of ions is too high, the kidneys make sure to filter as much of them as they can out of the body. If there are not enough ions, the kidneys will filter them back into the system.
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Answer:
prevailing winds to lose their moisture on the windward side, causing the leeward side to be dry.