Protist used for the construction of sound proof
rooms, is -
(1) Dinoflagellate (2) Diatoms
(3) Euglenoids
(4) Zooflagellates
e a large number of reading will reduce :-
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heyya mate your answer is..
2) diatoms
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Answer: Diatoms
Explanation: These have silica in their cell wall which is economically exploited
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