What rank do you have to be on to send a message?

Explanation: 1. there is no rank to message

2. try to answer a lot, to message

3. or try to have a lot of friends and then try  2. try to answer a lot, to message

Hope this helps you :)

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.