<span>Drip irrigation is a form of irrigation that saves water and fertilizer by allowing water to drip
slowly to the roots of many different plants, either onto the soil
surface or directly onto the root zone, through a network of valves,
pipes, tubing, and emitters.</span>
This is direct democracy because they are directly voting on who will lead us in our democracy.
I hope this helps!
They helped move stuff around to trade and they needed little food and water to survive.
