Which is a good study tip?
a. memorize every fact
b. study alone
c. study the most difficult or important information first
d. let information sink in by studying just before tests

C. Study the most difficult or important information first

Explanation:

Studying the most difficult or important information first give the student the opportunity to expand the students' knowledge on the less important or less difficult information. Once the student can learn and understand the most difficult and important, it allows the students to be able to understand and grab the less difficult or simple information quickly.

foucusing is the hope this works for you (: