Why does the earth appear blue from space?
A) About 71% of the earth’s surface is covered with water which gives blue colour to earth
B) Earth is covered with blue air
C) Earth is covered with blue coloured mountains and rocks
D) All of the above
Why does the earth appear blue from space?
A) About 71% of the earth’s surface is covered with water which gives blue colour to earth
B) Earth is covered with blue air
C) Earth is covered with blue coloured mountains and rocks
D) All of the above










