Answer:
Siltation is a process by which water becomes dirty as a result of fine mineral particles in the water. Explanation: When sediment, or silt, is suspended in water, this is an example of siltation.
The answer is: [C]: New Zealand.
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Note: the key world is "primarily".
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Australasia consists PRIMARILY of Australia and New Zealand.
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<span>Ras ben Sakka in the country called Tunisia. </span>