Answer:
Scientist have learned by studying seismic waves that the earth has liquid in its outer core. They also can predict if a earthquake might happen in a spot in the next hundred years or so.
Vaccinations are to prevent diseases
Bacteria was the first life form :)
Answer:
acidic
Explanation:
anything below a 7 is acidic
anything above a 7 is basic
and 7 is neutral
Bacterial responses to antibiotics are concentration-dependent. At high concentrations, antibiotics exhibit antimicrobial activities on susceptible cells, while subinhibitory concentrations induce diverse biological responses in bacteria.
