Question

What percent of global freshwater is estimated to be used for crop irrigation?

90%
2.5%
60%
30%

Answer 1

2.5%

Easy rule of thumb to narrow down is knowing 97% of earths water is found in oceans which are too salty to drink, growing crops, and most industrial uses except cooling.

Answer 2

2.5%

Step-by-step explanation:

because the global freshwater is estimated and observe percentage of water to used for crop irrigation and they compelled that 2.5% is exactly to used.