Question

Question 5:
Name two factors which can be used to find whether river water has been contaminated.

Lakhmir Singh Biology Class 10

Answer 1

Hi

Here devil1407

The contamination of river water can be usually found from two factors:

1) The presence of coliform bacteria in river water, and

2) Measurement of pH of river water.

Hope it helps U

Bye

Answer 2

Two factors used to find contamination in river

Explanation:

• The two factors which can be utilized to discover whether the stream water has been tainted are:  

• The presence of coliform microscopic organisms in water.- Coliform is an innocuous microbes found in the human digestive tract. In any case, if coliform is available in water it is an indication that the water may contain other unsafe microscopic organisms.  
• Measurement of pH of water.- pH level underneath 7 shows significant levels of corrosive and subsequently affirms the contamination of water.