The graph in the bottom left is correct
The answer should be "filtration" because distillation is for liquids. Filtration filters out the unwanted products.
2) -6
8 is positive and 14 negative. You can either draw a number line and help yourself with that or since the negative one is bigger you can do the subtraction 14 - 8 and then change the sign of the answer.
83, 74, 65, 56,47,38,29,20,11,2,etc
hope this helps
