I think it would be 4????
The answer is Father of the New South.
Also, what school do you go to?
Canals are man-made, meaning, they are Human Systems.
Faults are natural, meaning, they are <span>Physical Systems.
Floods are not created by man, meaning, they are </span>Physical Systems.
Bridges are man-made, meaning, they are Human Systems.
I hope this helps!
Answer:
improved hygiene and cures for some diseases
Explanation: