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Subject: Science, asked on 18/11/17

Dear expert, describe a SCIENCE WORKING MODEL (for school) to prevent OVERFILLING OR OVERFLOWING OF TERRACE TANKS. #very urgent#

Subject: Science, asked on 6/11/17

which tree is said to be planted near sewage

Subject: Science, asked on 16/4/17

what is aeriation
 

Subject: Science, asked on 16/4/17

what is sludge
 

Subject: Science, asked on 22/3/17

The dirty water is made firtile after so many processes for drinking,etc but why do they send it back to seas and oceans instead of using it?

Subject: Science, asked on 4/3/17

Explain the relationship between sanitation and disease? plz ans fast...!

Subject: Science, asked on 4/3/17

what is the use of dried sludge

Subject: Science, asked on 2/3/17

Which chwmical is added to disinfect treated water?

Subject: Science, asked on 1/3/17

answer the circle question fast please

Subject: Science, asked on 27/2/17

what is waste water story?explain?

Subject: Science, asked on 20/2/17

full form of YAP
 

Subject: Science, asked on 18/2/17

what dangers result from improper storm water drainage system in a city

Subject: Science, asked on 14/2/17

True or False:
1. Waste water can be put to agricultural use after treatment.
2. Forests help in inducing rains.
 

Subject: Science, asked on 12/2/17

fill in the balnks:
1.Quartz clocks are powered by blanks cells.
2.Blnak wathces are used to measure time in sports events.
3. For measuring short intervals of time balnk wathces are used.
4.If the distance-time graph of a body is a straight

Subject: Science, asked on 12/2/17

1.what is the difference between food chain and food web?
2.what is the importance of planned harvesting of forests?
3. what is the differnce between a tropical rainforest and boreal forst?

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