I went over the exam afterwards with my Earth teacher because I was stranded at the school for a day and got bored
So if anyone has any questions I can tell you what she said the correct answers were...
Shit, I didn't even think about graphs. Would have worked much better than the table.
My teacher looked at me when we reached this question and said "I hope you did a table - graphs would have been fine too but tables are the smart answer because they're easier, simpler, quicker to draw up, and there's less chance they'll rob you of points because of a miscalculation/transferal." So no stress, tables were cool.
I was very disheartened after going over the multiple choice with her, because I got like 15/20, but for the other sections she thinks I was on the money for everything so hopefully that makes up for it...