Question

PLEASE ANSWER THIS IT IS VERY MUCH URGENT, IF YOU ANSWER ALL MY QUESTIONS I WILL DEFINITELY GIVE YOU THANKS AND BRAINLIEST AND PLEASE ANSWER IN A SENTENCE NOT MORE THAN A SINGLE SENTENCE........ ​

Answer 1

it is necessary because if there are unwanted particles in it it would be ruined

in winnowing they form two heap because the one which is heavy falls right after the bowl or whatever and the light particles fly a little bit longer and make a heap this is how grains are separated from husk.

bran can be separated because of the same reason.

yes the holes should be smaller than the particles which is to be separated because if the holes are big then the particles we need to separate will not be done.

salt disappears in water while stirring because the molecules of salt are vrey much smaller than water molecules moreover water is a universal solvent.

HOPE THIS HELPS YOU..

thankyou.