The world consists of 71% of human water needs water because water management methods rather than the ground. If managed badly, it will cause adverse effects such as droughts and floods.
The world consists of 71% water, so humans need a way to manage water. The ground water is over If managed poorly, it will make an impact, such as droughts and floods.
The world consists of water to 71% people must how water management, because the water is more than the ground. If the management is bad, it will make the consequences, such as severe drought and flood.