Biology, 02.11.2019 03:31 masonorourke

The recommended daily requirement of calcium is 1,000 mg. tap water in a midwestern city contains approximately 150 mg ca/l. a person living in the city who drinks two liters of water in one day would receive percent of his/her rda of calcium.

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The recommended daily requirement of calcium is 1,000 mg. tap water in a midwestern city contains ap...