To separate rocks into different sized particles for road building and other construction projects, which method is applicable?

A. scooping

B. winnowing

C. sieving

17. What is the process by which water changes from a liquid to gas or vapor?

A. filtration

B. evaporation

C. distillation

18. What is the appropriate method to obtain freshly squeezed coconut milk ?

A. decantation

B. distillation

C. filtration

19. What is the appropriate method to use to separate needles in a box of beads?

A. sieving

B. magnetic separation

C. threshing

20. What is winnowing?

A. It is the process of freeing (grain) from the lighter particles of chaff, dirt, etc.

B. . Is used to separate smaller solid particles from larger solid particles.

C. Picking of small particles to larger​