Question

which two mountain ranges make up the sierra madres mountain system? a. the andes and rocky mountains b. tierra nevada and tierra helada c. tierra fria and tierra templada d. sierra madre oriental and sierra madre occidental please select the best answer from the choices provided.

Explanation:

The Sierra Madres mountain system in Mexico is composed of the Sierra Madre Oriental and Sierra Madre Occidental. The other options mention mountain - ranges or regions that are not part of the Sierra Madres.

Answer:

D. Sierra Madre Oriental and Sierra Madre Occidental