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Answer 1

Answer:

1. Winnowing or filtration. As husk is lighter than the wheat grains, it can be blown away from the grains by a toss in air, a process called as winnowing.
2. Fine particles of mud suspended in water can be separated by the process of sedimentation followed by the filtration method. Sedimentation is a process by which heavier impurities present in mixture settle down at the bottom of the container and it can be separated by the filtration method.