Hich one of the following is radical? (1 Point)

a. NH4+

b. CuSO4

c. CH4

d. NH3

The rules of engagement (roe) working group is often used to (select all that apply.)

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )

Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)