You are disinfecting a one-quart canteen of water using iodine tablets. The water
is not cold and is clear. How many tablets should you add to the water?
You are going to disinfect a canteen of clear cool water using regular commercial
bleach. You should add ____________ of bleach to the water.
a. Two drops.
b. Four drops.
One canteen capful.
d. One cup.
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