The correct option is D All of these
The
activity which includes planning, developing, distributing and managing the
optimum use of water resources is known as water management. Water is an essential
and abundant natural resource, but it is becoming a more valuable commodity due
to droughts and overuse. So, it is necessary to manage water resource. Water
management includes- conservation of water, using water for important purposes,
rain water harvesting, avoiding wastage of water, etc.