Shashi and her friends wonders if pond water smells bad because it has microorganisms in it. Describe away they could find out this.

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Solution

Shashi and her friend could use a microscope and look at the pond water to see if microorganisms are visible or not. Also, they can boil the pond water to kill or get rid of microorganisms to see if it still smells. Other sources of bad smells would be things such as amines or organic sulfides.

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