Question

Cordell is trying to remember the various rocks he has been studying in his earth science class (granite, sandstone, limestone, obsidian, marble, etc.). he finally decides it would be easiest if he studied them as three groups: sedimentary, igneous, and metamorphic. considering research regarding this strategy, cordell should:

Answer 1

Based on this strategy, what Cordell should do is that he should have an easier time in remembering the various rocks because when he organizes them in three groups, he will be able to understand them, making it to be easier for him to remember.

Answer 2

I believe the answer is: Have an easier time remembering them because he is organizing them.
According to research average brain could only remember small bits of information at once.
Organizing the information would impose similar characteristic between each group of information that would make it more memorable for us.