Which of the following is the most effective irrigation system in terms of conservation of water?

What is the process of creating fresh water by removing saline from bodies of salt water called?

Which of the following is the least effective irrigation system in terms of conservation of water?

Which of the following area are most associated with physical water scarcity?

The amount of water that is embedded in food or other products needed for its production is called:

In developing countries, majority of the total water consumption is used for which purpose?

What is the relatively clean waste water, such as from kitchen and laundry cycles are called?

The part of total precipitation that gets collected in rivers, lakes, wetlands and ground water, is called:

The part of total precipitation that keeps the soil moist is called:

Which of the following is the largest source of drinking water on a global scale?