Define Sedimentation .

Define germination.

Differentiate between sedimentation and decantation.

Alum increases the rate of sedimentation. Why?

The supernatant left after sedimentation of sewage water during primary treatment is known as

On what priciple are the following methods of separation based? Give on example of a mixture of the methods mentioned in which they are used. Sedimentation and decantation.

Define. Biome.

Define kelvin.

Which property of the component is used in separation by sedimentation?

Define immigration .

Define malnutrition.