Multiple Choice
Concerned about the exposure of children to chlorine,staff running a public pool measure the exact concentration of the chlorine currently in the pool water.However,assuming the amount of water in the pool is unchanging,to accurately determine the dose of chlorine exposure,the staff must also know _____________.
A) the age of each child in the pool
B) how long each child is in the pool
C) why each child is in the pool
D) the manufacturer of the chlorine
Correct Answer:
Verified
Correct Answer:
Verified
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