Irrigation systems have been around since the Paleo people back in 11,500 B.C - 10,900 B.C
One example of a system and sub system in system analysis and design is an organization (system) with interrelated department (sub system). Another example would be a computer (system) and all of its components (subsystem).
close system are the type of system that do not interact with the environment
No, it is a political system.
difference between farming system and cropping system
The Mayan did have an irragation system. Look up terrace farming.
Cuneiform. Stele. Pictographs. System of laws. Wheel. Irragation System.
It was made by a lot of people in the new stone age when they started farming they used the technique of irrigation.
Irragation
No but they used irragation!
Kayla Says: Because of the hot weather, they had to use an irragation system, which farmers made new and very popular.
irragation
The correct spelling is "irrigation" (watering crops).
Irrigation is the application of water to soil or farmland
gathering,hunting,farming,and irragation
irragation canals
the wheel and irragation