Among Mexico's major products and exports are oil (Mexico has a huge oil industry, controlled by the state-owned PEMEX, Petroleos Mexicanos) vehicles, electronics, and other machines, such as pumps, medical and technical equipment, etc.
According to Cattell, there are two types of intelligence; fluid intelligence and crystallized intelligence. Crystallized intelligence is the ability to use experience and learned knowledge. Fluid intelligence is the ability to solve new problems, use logic, and identify patterns.
A is the answer. because it's the open question
