Question

1. The method used to remove grains from their stalks is called------
2.The process by which vapour change into liquid state on Cooling is called-----
3.Salt is obtained from sea water by the process of-----
4.The process of allowing muddy water to stand so that mud settles at the bottom is called-------

Answer 1

2. condensation
3. evaporation
4.filtration

Answer 2

hey mate!!

here is your answer..

1. Threshing
2. condensation
3. evaporation
4. sedimentation

HOPE IT HELPS...