The diagram below shows the production of an energy resource from water. Study and use it to answer the...

54. The diagram below shows the production of an energy resource from water. Study and use it to answer the questions that follow.
(a) Identify the energy resource from water obtained from the diagram above.
(b) Name the component marked W.
(c) Give the function of components marked U and V when producing the energy resource above.
(i) U :
(ii) V :