B and D both help the plant :) shsjsjf
The answer is C
wood isn't a conductor but metal is
Is this from connections academy?
Answer:
+2
Explanation:
Elements in group 2A have 2 valence electrons in their outer shell, so when they bond with other atoms, they are most likely to give away these 2 electrons. With 2 electrons gone, the ion will have a positive charge (since there are now more protons than electrons in the atom).
