why are the rivers/lakes important for the country's economy??

Rivers and lakes are important to a country's economy as they are natural resources of freshwater. This water is used for various domestic purposes and in industries for the manufacture of substances. Also, lakes make beautiful tourist places, and help increase the country's economy by contributing in the tourism sector. River waterfalls also contribute to the economy in the same way. Moreover, if a country has sufficient water resources, it does not need to buy water from other countries.