Weathering breaks down and loosens the surface minerals of rock. Hence, the broken rocks are transported to another place where it decomposes and forms soil. Therefore weathering is important for soil formation
A different form of a gene
1) New Vaccines
4) Cancer drugs
5) Seedless grapes
...They all are the advantage of Genetic Engineering.
C that is formation of red blood cells eg leukemia in which the bodys ability to produce red cells is disturbed
Answer:
The correct answer is- secondary treatment
Explanation:
Wastewater treatment is divided into three main stages which are primary, secondary and tertiary stages. In the primary treatment, the wastewater is held in the settling tank for some time and the solid waste settles with time and the remaining liquid is passed for secondary treatment.
In the secondary treatment, the organic compound present in the liquid is degraded with the help of aerobic bacteria. Aeration tank is there for providing the oxygen to bacteria and wastewater is stirred so that oxygen can be distributed evenly and bacteria can do their work properly.
