What type of precautions will be taken to survive when ozone level is high?
What type of precautions will be taken to survive when ozone level is high?
What type of precautions will be taken to survive when ozone level is high? Read More »
What type of precautions will be taken to survive when ozone level is high?
What type of precautions will be taken to survive when ozone level is high? Read More »
___________ poisoning water in Japan is from fishes
___________ poisoning water in Japan is from fishes Read More »
Fishes can store more quantity of ___________ in their bodies
Fishes can store more quantity of ___________ in their bodies Read More »
Bacteria and micro organisms present in the water will cause _________ in human and animals
Amoebic dysentery is caused by ___________
Bacteria in water causes ________
Helminth in the water causes __________
The ____________ is an important requirement of the aquatic life
The ____________ is an important requirement of the aquatic life Read More »
The optimum value in natural water is ________