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The Brainliest Answer!
2016-05-06T20:03:55+05:30
Red algae live deepest because it has a pigment known phycoerythin which can carry photosynthesis in deep waters. It can absorb blue light  so it lives deeper than others.
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2016-05-06T20:05:25+05:30
because it has a pigment known phycoerythin which can carry photosynthesis in deep waters.
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