Astudent uses a ph meter to measure the acidity of a water sample from a lake. for what purpose is the student most likely testing the water? a. to learn what organisms could survive in the lake b. to determine the age of the lake c. to understand how people use the lake d. to find out the depth of the lake

Answer : The correct option is, C.

Explanation :

pH meter : It is an electric device which measure the concentration of hydrogen-ion in the solution. It also measure the acidity or alkalinity of water in the solution.

Therefore, the purpose of student for testing the lake water is to understand how people use it in their daily-life. As this will help him to analyse the quality of lake water whether, it is fit for use or not.

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