3 . what is the relationship between earths surface and earth being called the " blue planet "

1. clouds in earths atmosphere can sometimes appear blue when viewed from space

2. water on earths surface appears blue when viewed from space

3. the sky is actually blue

4 oxygen in earths atmosphere appears blue when viewed from space

Question

3 . what is the relationship between earths surface and earth being called the " blue planet " 

1. clouds in earths atmosphere can sometimes appear blue when viewed from space 

2. water on earths surface appears blue when viewed from space 

3. the sky is actually blue 

4 oxygen in earths atmosphere appears blue when viewed from space

anonymous · Answer

Hint: About 3/4 of the Earth's surface is covered with water.

cail · Answer

it is 2 i believe