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CBSE - VIII - Science - Pollution of Air and Water
Define waterbpollution
Asked by pk370645
21st January 2019,
7:29 PM
CBSE - VIII - Science - Pollution of Air and Water
Explain the uses of plastic in 5 different areas/fields
Asked by hmhomkar
16th June 2018,
10:55 PM
CBSE - VIII - Science - Pollution of Air and Water
How is algal bloom caused?
Asked by polygonpatna
17th February 2018,
1:50 AM
CBSE - VIII - Science - Pollution of Air and Water
How do oil spills affect birds?
Asked by Topperlearning User
27th October 2016,
1:20 PM
CBSE - VIII - Science - Pollution of Air and Water
According to the Ganga Action Plan, how is river water cleaned?
Asked by Topperlearning User
27th October 2016,
1:20 PM
CBSE - VIII - Science - Pollution of Air and Water
Expand DDT.
Asked by Topperlearning User
27th October 2016,
1:20 PM
CBSE - VIII - Science - Pollution of Air and Water
List a few disease-causing microorganisms which can be found in sewage water.
Asked by Topperlearning User
27th October 2016,
1:20 PM
CBSE - VIII - Science - Pollution of Air and Water
Name a human disease which is a result of the biomagnification of mercury.
Asked by Topperlearning User
27th October 2016,
1:20 PM
CBSE - VIII - Science - Pollution of Air and Water
What do the bacteria present in the faeces of mammals indicate?
Asked by Topperlearning User
29th July 2016,
11:37 AM
CBSE - VIII - Science - Pollution of Air and Water
Name the organisms due to which the ponds often look green in colour? What is the source for growth of such organisms?
Asked by Topperlearning User
29th July 2016,
11:36 AM
CBSE - VIII - Science - Pollution of Air and Water
What is eutrophication?
Asked by Topperlearning User
29th July 2016,
11:36 AM
CBSE - VIII - Science - Pollution of Air and Water
What do you mean by untreated sewage?
Asked by Topperlearning User
29th July 2016,
11:36 AM
CBSE - VIII - Science - Pollution of Air and Water
What are the main sources of water pollution?
Asked by Topperlearning User
29th July 2016,
11:36 AM
CBSE - VIII - Science - Pollution of Air and Water
What are water pollutants?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Pollution of Air and Water
What is an oil spill? Why is it considered a water pollutant?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Pollution of Air and Water
What happens when algae growing in water die?
Asked by Topperlearning User
27th November 2013,
2:21 AM
CBSE - VIII - Science - Pollution of Air and Water
Explain why, hot water released by industries and power plants considered a pollutant?
Asked by Topperlearning User
26th November 2013,
9:23 AM
CBSE - VIII - Science - Pollution of Air and Water
What is an industrial effluent and what does it contain?
Asked by Topperlearning User
26th November 2013,
8:22 AM
