Answer:
Antibiotics won't treat viral infections because they can't kill viruses
Answer:
NaF: one atom of sodium, one atom of fluorine
Na2CO3: two atoms of sodium, one atom of carbon, three atoms of oxygen
NH3: the diagram shown
C6H12O6: six gray spheres, twelve white spheres, six red spheres
The answer is A. Sea levels rose over 300 feet