Question

1. Cotopaxi is the ___

smallest city in South America.

volcano located on "volcano boulevard."

highest waterfall in the world.

southernmost city of South America.

2. Cerro Tololo is home to ___

world's highest navigable lake.

one of the world's largest observatories.

highest waterfall in the world.

largest rain forest in the world.

Answer 1

I think, I know the answers for both questions. I hope it helps. Here they are: 
1. Cotopaxi is the volcano located on "volcano boulevard."
2. Cerro Tololo is home to largest rain forest in the world. But really it's one of the largest,

Answer 2

The correct answers:

1. volcano located on ''volcano boulevard''.

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.

2. one of the world's largest observatories.

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.