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 :)

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products