Do you even know anything about the one liquid we drink the most on Earth? In fact, it is up to 70% of the Earth's total composition. Take this to quiz and let's see if you appreciate the planet for what it is.
It's colourless
White
Blue
Sky blue
33
30
40
25
250 billion
300 billion
400 billion
450 billion
83
95
87
99
A week? It's only three days
3 weeks
Two weeks
A week
12
20
9
5
85
90
78
67
50
70
30
45
66
65
64
63
1,008
998
876
450
Wait!
Here's an interesting quiz for you.