Answer:
to go against dangerous viral and bacteria
Explanation:
Then answer would be D. Answer D is correct because you would need to use a better solvent to see the ink separate on the chromatography paper. Hope that helps. :)
B. Copper since the rest of the choices are compounds. Copper is an element.
Answer:
How does the energy required to remove an electron from an atom change as you move left to right in Period 4 from potassium through iron? ... A greater nuclear charge pulls the electrons closer to the nucleus, decreasing the atomic radius.
Answer:
I think it is AM and frequency
Explanation:
Sorry if i'm wrong ;)
