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Answer:
Explanation:
Canal irrigation is when water is being passed through canals from rivers, streams, reservoirs etc to the farm.
The advantages of canal irrigation are:
1. The loss of water is reduced.
2. Water logging can easily be controlled.
3. The benefit can be enjoyed for a long time as it is a permanent structure.
4. A smooth surface is done which lead to an increase in the flow velocity.
The disadvantages include:
1. The cost involved in setting up the canal system is high.
2. A lot of time is required before its completion.
3. A lot of difficulties are experienced when it malfunctions or damages.
<span>varying from steppe to desert</span>
Plant roots that grow in cracks can cause weathering.
Valleys formed by weathering or erosion can be canyons or ravines.
The Nordic nations have similar cultures because they share similar language.