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Rudik [331]
3 years ago
15

which of these technological advances has improved flu vaccines? A. virus strains multiplied in cell cultures B. sonograms C. an

tiviral drugs D. blood typing
Biology
1 answer:
Yuri [45]3 years ago
5 0

Answer: A. virus strains multiplied in cell cultures

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<em>The dissolved gases produce violent eruption as they escape. </em>

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