I

3. How much rain does the Atacama desert receive per year ?

4. How long is the Nile River ?

5. How old is Mt. Everest ?

6. Which is taller Victoria Falls or Niagara Falls ?

7. When was Thien Duong Cave discovered ?

8. How can Visitors get to Angel Fails ?

II

1 . d

2 . g

3 . f

4 . e

5 . a

6 . b

7 . c

III

1. What is the largest desert on earth, Cathy?

2. Uh… Is it the Sahara Desert?

3. No. It’s Antarctica. It covers about 14 million square kilometers.

4. Oh well, it is much larger than the Sahara.

5. Do you know what the longest mountain range in the world is?

6. I have no idea. What is it?

7. The Andes is the longest mountain range in the world.

8. How long is it?

9. It is over 7,000 kilometers long.

10. Wow. That’s amazing!

II

1 – d

2 – g

3 – f

4 – e

5 – a

6 – b

7 – c

III

What is the largest desert on earth, Cathy?

Uh… Is it the Sahara Desert?

No. It’s Antarctica. It covers about 14 million square kilometers.

Oh well, it is much larger than the Sahara.

Do you know what the longest mountain range in the world is?

I have no idea. What is it?

The Andes is the longest mountain range in the world.

How long is it?

It is over 7,000 kilometers long.

Wow. That’s amazing!