Question

❌ NO SPAM ❌
Which hold water until it is needed?

A) dams
B) reservoirs
C) aqueducts
D) valleys

Answer 1

HEY MATE __________________________

DAMS hold water until it is needed.

HOPE YOU UNDERSTAND..

Answer 2

Water from dams and reservoirs are both stored and used when needed but dam is used for a large number of people, sometimes 2 or more states, and reservoir is like a water body reserved for use of irrigation and to increase water level.

Hope it helped