Which word identifies a large natural or human-made lake used to supply water?
marsh
pond
reservoir
wetland

Reservoir

Explanation:

Reservoir is a large natural or human- made lake used as a source of water supply.

reservoir

Explanation:

A reservoir is a large natural or human made water body, that is there for water supply of the cities and human activities that are located near that reservoir, they are often used for agriculture and to provide with fresh water the cities near the reservoir.

nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.

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