Red Sea is red due to the presence of
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sea weeds
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algae
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fungi
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lichens
A
Correct answer
Explanation
The Red Sea appears reddish due to periodic blooms of Trichodesmium erythraeum, a cyanobacteria (blue-green algae) that contains reddish-brown pigments. While sometimes called 'sea weeds,' the correct scientific classification is algae or cyanobacteria.