When employing the core learning system, reading text books and attending class are important ways to knowledge.

The correct answer is:

Collect

The Core Learning System, consists in four strategies to increase your confidence for having tests. CORE= Collect O=Organize R=Rehearse E=Evaluate. To succeed as a learner it is needed the student to create as any neural network in his brain as possible, by connecting new learning to previously learned information, employing deep processing strategies  and using distributed practices , this way your chances of acing an exam will increase exponentially.

answer; /// the correct answer is (a) burned the city;