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Assessment
What is the primary purpose of coral reefs in marine environments?
To provide habitat for marine life
To produce fresh water
To absorb pollution
To capture sunlight
Which marine zone is characterized by high pressure, low temperatures, and complete darkness?
Intertidal Zone
Pelagic Zone
Abyssal Zone
Neritic Zone
What percentage of the Earth's surface is covered by ocean?
25%
50%
71%
90%
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