Answer:General Knowledge
Step-by-step explanation:
General knowledge, an essential aspect of crystallized intelligence associated with intelligence gained from experience is information that has been accumulated over time through combination of various mediums it includes specialized learning that is obtained with extensive training and information through different sources.
The knowledge Marcelo is using that reminds him to focus his attention, block out distractions, and think about what he is reading if he wants to understand any of his high school subjects is a General Knowledge which he must have acquired from experience accumulated over time to help him read better.