Answer:
Pls this question is invalid and not understandable
The correct answers:
<em>1. volcano located on ''volcano boulevard''.</em>
Cotopaxi is a stratovolcano on the so called ''volcano boulevard''. This volcano is located in the South American country of Ecuador, on the Andes, and in very close proximity to the capital of the country, Quito, only 50 km away.
<em>2. one of the world's largest observatories.</em>
Cerro Tololo is one of the largest observatories on the Earth. It is located in the South American country of Chile, but it is an observatory that belongs to the United States.
The Han River is the correct Answer
