Answer:
This method is used for separating bran from flour, sand from gravel, pearls of different sizes, etc. Winnowing:The process of separation of lighter particles from heavier particles; with the help of wind; is called winnowing. This method is also used for separating grains from husk.
Answer:
Producers................
Explanation:
Aristotle's model shows the planets in the celestial realm moving around the Earth in an orderly manner, in perfect circles and with uniform motion-neither speeding up nor slowing down.