Answer:
Over time, the bacteria that survives multiplies, causing even more harm.
Explanation:
Over time bacteria can get used to antibiotics in a way. As they create different strains over time. In turn this reduces the effectiveness of the antibiotics that were initially used to help eliminate the bacteria.
Sound Waves travel fastest through the Solid medium which is why Option 1 would be correct!
Hope this helps! :)
Traits, genes
I would think that it is B or C
