Marine Biologists Distinguish Between the Photic and Aphotic Zones Because

question 45

Multiple Choice

Marine biologists distinguish between the photic and aphotic zones because within the aphotic zone,__________ , whereas in the photic zone, __________ .

• A)water is lit by sunlight; sunlight does not penetrate water
• B)sunlight does not penetrate water; water is lit by sunlight
• C)all sunlight is refracted by water; sunlight is reflected
• D)sunlight is reflected; sunlight is all refracted by water

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