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Which of the following have been used to oxidize ammonia and to prevent algal growth? | |
A. | growth of hypomicrobium in presence of added methanol [Wrong Answer] |
B. | Micrococcus denitrificans cells encapsulated in liquid membranes [Wrong Answer] |
C. | Both (a) and (b) [Wrong Answer] |
D. | Nitrosomonas europaen [Correct Answer] |