The main sources of Arsenic in water are ________?
AFloods
BFertilizers
CIndustrial waste
DBoth b and c
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
ഇന്ത്യയിലെ ഏറ്റവും സമ്പന്നമായ സസ്യജാലങ്ങളുള്ള പ്രദേശം ഏതാണ്?
Which region is present below the photic region?
What are the modifications of the organisms living on the land for their survival called?
Which one of the following is an example of recent extinction?
In the context of environmental studies , 'BOD' stands for?