- When the Earth is closest to the Sun, it is called?
- In what time sun rays reach to earth?
- Second highest layer of Earth’s atmosphere is known as?
- Where is the deepest point in the earth’s crust?
- Highest part of the earth is?
- What is the name of the central part of the earth?
- Where was the highest temperature on earth recorded?
- How long does the earth take to cover 1° longitude?
- What is the most important effect of the moon on earth?
- Earth Surface is divided into?
- The inner most part of the earth is__________?
- The speed of the reciprocating pump is generally measured in ______?