Identify the statement that is true about a reservoir. choose one:

(a) a reservoir of sedimentary rock at the bottom of the ocean is called eclogite.
(b) it must have a biological component in order to transfer materials to another reservoir.
(c) a reservoir of metamorphic rock needs the addition of heat and pressure in order to change into a reservoir of sedimentary rock.
(d) it is a component in the earth system that holds material for a period of time.

Option (D)

Explanation:

A reservoir is usually defined as a place where a large amount of water or other economic minerals are trapped or stored. They are formed by both artificially as well as naturally. These reservoirs form a part of the earth system.

Generally, a reservoir is a part of the earth system which stores the materials for a longer period of time.

For example, a water reservoir that stores water in it and is used in the production of electricity.

Hence, the correct answer is option (D).

do you have any options?