Author Question: Vitamin A affects our vision in two ways: it enables us to react to changes in brightness, and it ... (Read 71 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
Vitamin A affects our vision in two ways: it enables us to react to changes in brightness, and it
 
  A) supports the development of eye functioning in fetuses.
  B) enables us to see different colors.
  C) supports eye functioning later in life.
  D) enables us to focus on distant objects.

Question 2

Lucas has been training to compete in the Boston Marathon. In the week before the race, he has incorporated carbohydrate loading as part of his training. On the third and second days before the marathon, what should his training consist of?
 
  A) a high-intensity run and high carbohydrate intake
  B) a high-intensity run and moderate carbohydrate intake
  C) a light run and high carbohydrate intake
  D) rest and high carbohydrate intake


zoeyesther

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

For a complete list of videos, visit our video library