9F: measures and dimensions

 1) How high is the highest mountain? 

2) How deep is the deepest point in the Pacific Ocean?

3) How tall is the tallest building in the world?

4) How long is the longest river?

5) How long is the longest country in the world?

6) How deep is the deepest lake in the world?

7) How narrow is the narrowest street in the world?

8) How long is the longest bridge / viaduct in the world? 

9) How many centimetres is one foot?

10) How many centimetres is one inch?

Burj Khalifa, Dubai

Danyang-Kunshan grand bridge

1. 8,848.86 m; 

2. 10,911 m; 

3. 828m; 

4. 6,650km; 

5. 4,395; 

6. 1,620m; 

7. 31 cm; 

8. 164,851m / 16,5 km

9. 30.48 cm; 

10. 2,54 cm