A cordillera is an extensive chain of mountains or mountain ranges. ... Such mountain ranges have a complex structure, which is usually the result of folding and faulting accompanied by volcanic activity. In South America, the ranges include numerous volcanic peaks
Explanation:
CORDILLERA It is the country's only land-locked region. It has a mountainous topography and dubbed as the "Watershed Cradle of North Luzon" as it hosts major rivers that provide continuous water for irrigation and energy for Northern Luzon.
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