Create a procedure (at least 5 steps) using bio-indicators that you could do to determine the health of a body of water or an ecosystem.
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Explanation:
Milk : water ratio= 17: 3 So the volume of milk in the mixture= 17/20 x 200= 170- Litres. After adding milk of “V”- Litres the ratio becomes 7 : 1= 21:3 .
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