which-of-the-following-correctly-states-the-adult-rda-for-copper-in-micrograms-f

Question

Which of the following correctly states the adult RDA for copper in micrograms for ages 19–50?

Accepted Answer

900 micrograms per day

Answer

Zero micrograms per day because copper is nonessential in adults

Answer

9,000 micrograms per day

Answer

90 micrograms per day