Answer:
Step-by-step explanation:
Part A and B match as under
1. best fit curve ⇔ a curve drawn to average the data's deviations
2. law ⇔ a statement that explains what something does under the same conditions
3. control ⇔ standard, reference data, or experiment⇔
4. quantitative⇔ "measured" observation
5. qualitative⇔ general or nonspecific observation
6. hypothesis⇔ educated guess
7. direct relationship ⇔ when two variables change in the same direction, one remaining larger than the other by the same factor
8. theory ⇔ a presently accepted explanation of how something happen