This topic contains a solution. Click here to go to the answer

Author Question: A factor that has significantly contributed to elimination of rickets in developed countries is: ... (Read 57 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
A factor that has significantly contributed to elimination of rickets in developed countries is:
 
  a. an increase in outdoor activities.
  b. an increase in use of sunscreens.
  c. the availability of fresh produce year-round.
  d. the wide use of vitamin Dfortified milk.

Question 2

One reason it is difficult to establish recommended requirements for vitamin D is because:
 
  a. individual exposure to sunlight varies greatly.
  b. it is present in so many foods.
  c. individuals store it in large quantities.
  d. the amount in food varies with the season.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

ANS: D

Answer to Question 2

ANS: A




sarasara

  • Member
  • Posts: 521
Reply 2 on: Aug 20, 2018
Great answer, keep it coming :)


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Excellent

 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

For a complete list of videos, visit our video library