It's clear that at least one of the world's ancient civilizations made use of irrigation to produce more farm products. Ancient Egyptians knew when to expect high flooding waters of the Nile. Irrigation trenches diverted some of the Nile's water to otherwise barren and dry lands.
Cradle of civilization means the place where civilization began to flourish. Civilization was able to thrive because it had what it needed.
Civilization is both countable and uncountable. Civilizations is the plural inflection of the noun civilization
The Mayan civilization!
An antonym for civil is rude.
They invented irrigation during the 3500BC when they started civilization. :) Your Welcome...
canals for irrigation
it provied irrigation for farmers
The Sumerians
for getting water from where it is to where it needs
Complex irrigation systems.
Irrigation can lead to deforestation because the need for clear paths will lead to the removal of trees and plants. After much removal forests will shrink dramatically in size.
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irrigation..
irrigation
irrigation
the Mexicans