3. The contamination of water with unwanted and
harmful Substances such as sewage, toxic
Chemicals and industrial waste is known as
'waterpollution'
. Environmental pollution can be
controlled by taking preventive
measures
using 4R s
Answers
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2
Answer:
4r rule
Explanation:
reduce
reuse
recycle
recover
lately there is also refuse being added
hope u like it,vijay devarakonda!
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