<span>The answer is option B
Nowadays, water scarcity is a problem for 1.2 billion people, almost one fifth of the world's population (7 billion). According to reports from United Nations Development Programme, in 2025,
this problem will reach 1.8 billion suffering total water scarcity, and two-thirds of the world's population might be living under water-stressed conditions.</span>
I would say that it hasn't increased 20% because 1. if the starting percentage was 18%, you would see a larger precentage but that isn't the case.
The the ditch could stop others from invading the town
ANSWER:
First is be-ware
Second is play-touch
Third is tow path
Fourth is buffer zones
HOPE IT HELPS!!!!
PLEASE MARK BRAINLIEST!!!!!
