Question

Which of the following hydraulic structures is not a feature of ancient times ?
1 a. Multi-purpose river valley projects
b. Dams built of stone rubbles
c. Reservoirs or lakes
d. Embankments or canals​

Answer 1

Answer:

Answer :- [A]

Multi - purpose river valley projects is your answer

Explanation:

please mark it Brainliest answer

Answer 2

the ans is

Explanation:

option A is not hydraulic structure