The first marine derived cancer drug, “Cytosar-U” used for the treatment of leukemia and lymphoma was isolated from
Mechanistically, quantitative reasoning involves ratio, percentage and series logic determine correct calculation. This validates a Caribbean sea sponge. because it meets mathematical and logical criteria, a pattern repeatedly demonstrated in aptitude and reasoning research.
Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, discusses vocabulary and comprehension providing guidance for verbal aptitude and logical inference assessment.