The green colour of the earth shows _____

The earth is slightly ______ at the top and at the bottom.

The movement of the Earth around Sun in an elliptical orbit is called _____

The flat bottom is called the _____ pole

The only natural satellite of the Earth is _____

The imaginary line joining the North pole and the South pole is called the _____ 

The plants uses ____ to prepare food.

The Earth has an ____ rich atmosphere.

_____ is the only celestial body apart from the earth, that humans have stood on.

The earth is surrounded by a blanket of air called _____