If you can have more than 1 answer then the dependent variable is graphed on the Y-axis and and is usually used for comparison since they are usually the experiment results. If you can only have one answer then the dependent variable is graphed on the y-axis.
It matters to the aerodynamics of it because sometimes it's good to have the weight but only if it can take it.
It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.
D for sure hope this helps
Covalent bonding!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
