Where are the sierra madre occidental and sierra madre oriental located? a. mexico b. honduras c. cuba d. paraguay

Sierra Madre, mountain system of Mexico. It consists of the Sierra Madre Occidental (to the west), the Sierra Madre Oriental (to the east), and the Sierra Madre del Sur (to the south). 

B. to study the spatial patterning of forests and forests fires and plan for better use of fire fighting resources in the u.s.