« previous next »

Author Question: What natural element is vital to the body's ability to make vitamin D? a. iron b. sunshine c. ... (Read 122 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Aug 11, 2018
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
Reply #1 on: Aug 11, 2018
Answer to Question 1

b

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

bobbysung

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Aug 11, 2018
Thank you!


stallen

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Aug 11, 2018
Always glad to help...


« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Body temperature and environmental temperature in homeotherms versus heterotherms. Body temperature and environmental temperature in homeotherms versus heterotherms.
Brain mass as a function of body mass in mammals. Brain mass as a function of body mass in mammals.
Organ systems of the body with major functions. Organ systems of the body with major functions.
Body directional terms. Body directional terms.
The effects of alcoholism on the body systems. The effects of alcoholism on the body systems.
Body Regions in the Somatosensory Cortex Body Regions in the Somatosensory Cortex
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library