While taking sample of water from well, sample is collected a)About 2 metre above the bottom of wel b) About 1 metre above the bottom of well * c)About 1 metres below the bottom of well d) none of the above

While taking sample of water from well, sample is collected
a)About 2 metre above the bottom of wel
b) About 1 metre above the bottom of well *
c)About 1 metres below the bottom of well
d) none of the above
by

1 Answer

Answer :

b) About 1 metre above the bottom of well *
by

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