- The Hardest substance available on Earth is?
- What is the only continent that lies in all four hemispheres?
- The lowest part of earth is?
- What is the most important effect of the moon on earth?
- The deepest part of earth is ?
- In what time sun rays reach to earth?
- The South Pole of the Earth is located in____________?
- Highest part of the earth is?
- Which is the thinnest earth layer?
- How long does the earth take to cover 1° longitude?
- The North Pole of the Earth is located in____________?
- Earth’s largest ice volume is present in_____________?