The answer is C. Rubber. Iquitos profited greatly from the boom of the rubber industry, beginning in the 1900s.
Answer:
Color coding is a way to convey information quickly, which facilitates visual search. In this Washington D.C. metro map, as with most schematic subway maps, color coded lines represent the different rail lines. Visual searching occurs when we actively scan the environment to locate a specific feature among many distractors.
Explanation: