Carbon dioxide emissions from, well, whatever emits CO2 really.
A !.!.!.!.!.!!..!.!.!.!.!.!.!.!!.!..!!.!.!.!.!.!.!.!.!.!.!!.!.!.!.!
Answer:
there are 12 atoms in 12 sodium bromide
The answer is A, do you want me to explain it? It’s pretty simple, you just need to follow all the signs in brackets and match them in those in the answer