Biology
Answer
| Sewage | Effluents |
|---|---|
| Sewage (domestic waste water) is a type of waste water that is produced by a community of people as an outcome of daily activities such as washing, bathing etc and also contains fecal matter. | It is the liquid waste flowing out of a factory, farm, etc. into water bodies such as rivers, ponds, lakes, etc. |
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The figure given below represents a device. Study the same and answer the following questions:
(a) Identify the device.
(b) Mention the specific purpose for which we can use this device.
(c) Label the guidelines 1, 2, 3 and 4.
(d) Name another similar kind of device which can also be used for the same purpose.
(e) Draw a neat and labelled diagram of the device mentioned by you in part (4) above.