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Answer:
The two natural factors are.
Rainfall and river
The two man made factors are
Canal and tube wells
Relative dating<span> is the science of determining the</span>relative<span> order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age, (i.e. estimated age).</span>
They begin as streams in mountains or hills
Hi there!
Your answer would be ~ B) It is located in the Darling river
Hope this helps you!
~DL