4. Water in wells and rivers is impure due to the presence of ____________.
a. insoluble impurities
b. soluble impurities
c. disease-causing germs
d. all of the above
please find the correct answer .
Answers
Answered by
0
Answer:
it's a insoluble impurities.
Answered by
2
Answer:
all of the above
Explanation:
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