× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
New Topic  
miya123 miya123
wrote...
Go to Answer
Posts: 987
Rep: 0 0
6 years ago
The incidence of vitamin D deficiency in the United States is lesser than in many countries. What is the most likely reason for this?
 
  A) Many children in US take daily vitamin supplements
  B) The water in many towns and cities in US has vitamin D added
  C) Some foods in US have been fortified with vitamin D
  D) The amount of ultraviolet sunlight each day in US is adequate to provide needed vitamin D.
Read 57 times
1 Reply
Replies
Answer verified by a subject expert
cynthiaocamcynthiaocam
wrote...
#1
Top Poster
Posts: 896
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

miya123 Author
wrote...

6 years ago
You make an excellent tutor!
Gamiung3657
wrote...

Yesterday
Good timing, thanks!
asd454512
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  524 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1941
  
 103
  
 172
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486
Previous poll results: Does a gender wage gap exist in America?