1.

How_many_times_the_frequency_is_increased_by_the_Chi_sites?

A. ≈10 fold
B. ≈20 fold
C. ≈30 fold
D. ≈40 fold
Answer» B. ‚Äö√Ñ√∂‚àö¬¢‚àö‚Ć20 fold


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