O1-O2-R1-R2 is possible, but that is not the rule. The correct order (if this is the only rule) could be O1-R1-R2-O2. If you wrote down O1-O2-R1-R2, you could miss a possible correct answer.
I dont think it is too late to pick up new techniques until the night before the exam. While taking in new info that late is not a good strategy, I certainly do not advise against it. I had some good experiences with my tutor and now LG are my b…
Whoa! I thought one could not figure out which section is the experimental? Does it say experimental? Can I just skip it or rest my eyes and just Christmas tree the answer sheet?