I wish I knew I really need help with that I don't get it
Answer:
it is D
Explanation:
Hunley, byname Hunley, Confederate submarine that operated (1863–64) during the American Civil War and was the first submarine to sink (1864) an enemy ship, the Union vessel Housatonic. The Hunley in a water tank at the Warren Lasch Conservation Center, North Charleston, South Carolina.
Answer:
A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power.
Explanation: