Copper is an essential nutrient because of its role in: a. ...

[Chloeellawright]

Copper is an essential nutrient because of its role in:
 a. forming hemoglobin and collagen.
  b. increasing free radical activity.
 c. regulating zinc absorption.
 d. regulating blood glucose.
 e. regulating absorption of chromium.

Question 2

What is currently known about fluoride in drinking water supplies?
 a. All bottled water contains fluoride added as part of the bottling process.
 b. Scientific evidence has shown that communities with fluoridated water have higher cancer rates.
  c. Very few communities in the U.S. have fluoridated water.
 d. In communities where fluoride is lacking in the water there is a high dental decay rate.
  e. Where the water supply contains too little fluoride, discoloration of the teeth occurs due to fluorosis.

[ally]

Answer to Question 1

a

Answer to Question 2

d

[Chloeellawright]

Thanks for the timely response, appreciate it

[CAPTAINAMERICA]

YES! Correct, THANKS for helping me on my review