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02/09/2021 7:28 pm
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Nine-tenth of all photosynthesis of world (85-90%) is carried out by
(1) chlorophyll-containing ferns of the forest
(2) large trees with millions of branches and leaves
(3) scientists in the laboratories
(4) algae of the ocean
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02/09/2021 7:29 pm
Correct answer: (4) algae of the ocean