Question

Answer the pic below. No spams pls.

Answer 1

AnswErs :-

(a) Sewage is the common name used for such wastewater which contains human excreta.

(b) The sewage work is discharged to surface water such as rivers, which pollutes the river water.

(c) Wastewater is treated by physical water treatment, biological water treatment, chemical treatment and sludge treatment.

(d) Wastewater contains bacteria, fungi, protozoa, algae and viruses.

(e) Diseases like cholera, typhoid, diarrhoea, dysentery and jaundice are caused by drinking river water contained with such waste water.

Answer 2

Answer:

1. sewage is the common name of such wastewater

2. the answer is surface water...it is discharged into surface water such as river, streams, canals etc

3. primary, secondary, and tertiary water treatment are the processes to treat water. Apart from this water can be treated by physical, chemical and biological processes

4. wastewater contains bacteria, fungi, protozoa, algae, virus.

5. cholera, typhoid, dysentery, jaundice and diarrhea are caused by drinking wastewater