Author Question: Americans increase in life expectancy is due primarily to a. increased birthrates. b. improved ... (Read 51 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?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library