Question

please answer these questions ​

Answer 1

Answer:

Question 6 ans.(winnowing )

Explanation:

the farmer allows the mixture of wheat husk to fall down from a height. the wind carries the lighter husk with it. the wheat grains being heavier fall vertically down to the ground. the husk forms a heap at a small distance away from the heap of wheat .

Answer of no. 10 is :

sublimation

Explanation:

it is a method in which a solid on heating directly converts into gas without forming liquid.The gas formed is cooled to give the pure solid.