Why might softened water not be good for some one who is trying ...

[j.rubin]

Why might softened water not be good for some one who is trying to reduce their dietary sodium ion intake?
 
  A) The potassium used in the softener to replace the calcium and magnesium ions increases the sodium retention in the body.
  B) Water softeners work by replacing the calcium and magnesium ions of the water with sodium ions; softened water contains increased levels of sodium ions.
  C) The softened water leaches sodium from the body, so a person might not be getting the dietary recommended levels of sodium.
  D) A person needs a certain level of calcium and magnesium in the water to help excrete the sodium from their body.

Question 2

How many nucleotides does it take to code a single amino acid?
 
  A) 3
  B) 2
  C) 1
  D) 40
  E) 20

[lorealeza]

Answer to Question 1

B

Answer to Question 2

A

[j.rubin]

Excellent

[daiying98]

Gracias!