Question

1)Why is the earth called the 'blue planet'?

2)Why is the Northern Hemisphere called the Land Hemisphere?

3)Why is the Biosphere important for living organisms?​

Answer 1

Answer:

earth is called the blue planet as it is made up of more water than landmass and as it appears blue clour when seen through space

The northern hemisphere is called land hemisphere, because a major part of landmass lies in it.

Biosphere is important for living organisms because it is here that three essential elements of life (land, water and air) are found.

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Answer 2

HEY MATE YOU ANSWER IS :-

1. Earth is called a blue planet because it is covered $\frac{3}{4}$ in water.
2. Northern Hemisphere is called land hemisphere because major part of landmass lies on that side.
3. Biosphere is important for living organisms because it has three important elements is life:-

☆AIR

☆WATER

☆LAND

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