Question: please answer in short sentences only 1. Please briefly answer the following: a. Why are blanks used for both tests? How are they prepared? Please

please answer in short sentences only

1. Please briefly answer the following: a. Why are blanks used for both tests? How are they prepared? Please explain. b. Why are BOD, COD, and TOC all non-specific indicators of organic contaminant levels in water? c. Are the results from BOD, COD and TOC related? Why or why not

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