Question

Why is earth often referred to as the blue plant?

a. most people like blue
b. when viewed from space, the biosphere always looks blueC. the hydrosphere looks blue and covers three-fourths of the earths surfaceD.the sky is blue?

Answer 1

The answer is C, because of how large the hydrosphere is, that is the majority of the earth that people will see from space.

Answer 2

C; the hydrosphere looks bullied and covers 3/4 (or 75%) of the earths surface.