Author Question: Americans increase in life expectancy is due primarily to a. increased birthrates. b. improved ... (Read 50 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
Americans increase in life expectancy is due primarily to
 
  a. increased birthrates.
  b. improved genetic counseling.
  c. change in the factors intrinsic to the aging process.
  d. change in environmental factors that cause death.

Question 2

Selection for survival means that members of a society are selected for survival based on
 
  a. their resistance to common causes of death.
  b. the nutrition in their diets.
  c. the amount of stress in their lifestyle.
  d. the safety of their environment.



Andromeda18

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

ANSWER: d

Answer to Question 2

ANSWER: a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library