In our solar system, the fifth planet is

Out of the 3% of fresh water present on the Earth, the percentage of fresh water found in lakes and rivers is

A. 2.20%

B. 1%

C. 1.80%

D. 2%

The percentage of salt water present on the surface of the earth is

A. 75%

B. 80%

C. 90%

D. 97%

The community or collection of the stars is called

A. solar system

B. galaxy

C. planet

D. milky way

Considering the layers of the Earth, the temperature in center of the Earth can be

A. 6500°C

B. 6800°C

C. 5000°C

D. 7300°C

The submerged range of mountains which ends to southern end of Africa from Arctic is classified as

A. Mid-African Ridge

B. Mid Eurasian Ridge

C. Mid-Arctic Ridge

D. Mid-Atlantic Ridge