Author Question: What natural element is vital to the body's ability to make vitamin D? a. iron b. sunshine c. ... (Read 129 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
What natural element is vital to the body's ability to make vitamin D?
 
  a. iron
 b. sunshine
 c. chlorinated water
  d. selenium

Question 2

Today, food-foraging societies:
 
  a. are found only in the world's most marginal areas.
  b. make up the majority of the world's population.
  c. have not existed for 1,000 years.
  d. have their pick of the best environments.
  e. represent a primitive, undeveloped way of life.



stallen

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

b

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

stallen

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

For a complete list of videos, visit our video library