Write Fact on the blank if the statement is true. Write Bluff if it is false.

1. The most laborious form of manual threshing is hand beating.
2. Red blood cells can be separated from blood by decantation.
3. Drinking water undergoes a separation process called straining.
4. Crude oil is a product of fractional distillation.
5. People may get their needed materials out of separating mixture components.​