Yes, the capital of a state or country is that state/country's capital city. Santiago is Chile's capital city. For example, the capital of the United States is Washington D.C., which is a city.
And scientists say it will take natural processes 6,000 years to refill the reservoir
Answer: D. the height of a given point above sea level
The world’s water exists naturally in different forms and locations: in the air, on the surface, below the ground and in the oceans. Although a large volume of freshwater exists ‘in storage’, it is more important to evaluate the renewable annual water flows, taking into account where and how they move through/ the hydrological cycle. Hopes this helps!! :)