1. Which is true about our planet's distance from the Sun?
b, It's the third from the Sun.

(Sun- Mercury, Venus and then Earth)

2. How old is our Earth?
c, 4.5 billion years old.

3. Which is the largest ocean?
a, Pacific Ocean.

(It covers over 32% of the globe, more than the total surface of land combined.)

4. Which is the largest island?
c, Greenland.

5. Which extinct bird lived on Mauritius?
c, The Dodo.
(It became extinct in the 17^th century.)

6. How old are the oldest trees?
b, 6000 years old.
(African Baobab trees.)

7. Which is the fastest land animal?
c, Cheetah.

(total speed – 120 km/h or 75 miles/h)

8. What is the percentage of oxygen in the Earth's atmosphere?
b, 23.

9. What percentage of the Earth's surface is covered in water?
c, 70.

10. Which is the longest mountain range on our planet?
c, The Andes.

11. Which is the highest waterfall in the world?
b, Angel.
(Venezuela - 980 m / 3,212 ft)

Watch the video here.

12. Which explorer was the first to reach the South Pole?

a, Roald Amundsen.

(The Norwegian explorer and his party reached the South Pole in 1911.)