The correct option from the give choices is "d. to increase seasonal river flooding".
A reservoir refers to a storage space for liquids. These liquids might be water, hydrocarbons or gas. A supply for the most part implies a broadened characteristic or fake lake, stockpiling lake or impoundment made utilizing a dam or bolt to store water. Repositories can be made by controlling a stream that depletes a current waterway. They can likewise be built in waterway valleys utilizing a dam. Then again, a supply can be worked by unearthing level ground or building holding dividers and levees.
Tank reservoirs store fluids or gases away tanks that might be hoisted, at review level, or covered. Tank reservoirs for water are additionally called reservoirs.
Underground reservoirs are utilized to store fluids, essentially either water or oil, below ground.