Concept:Cotopaxi is an active volcano located in the Andes mountain range of South America.
Explanation:A volcano is an opening in the earth's crust that releases gases, molten rock, ash, and steam during eruptions.
Active volcanoes have erupted within the last 10,000 years.
Cotopaxi last erupted from August 2015 to January 2016, confirming it is active.
The Andes is the world's longest mountain range, running through Colombia, Ecuador, Peru, Bolivia, Argentina, and Chile.
Therefore, Cotopaxi is situated in the Andes, not in Sicily, Hawaii, or the Rockies.
Additional Information: Other volcanoes in India are listed below.
Answer:C. Andes