« previous next »

Author Question: The primary reason for the dramatic decreases in U.S. mortality rates during the twentieth century ... (Read 63 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
on: Jul 1, 2018
The primary reason for the dramatic decreases in U.S. mortality rates during the twentieth century is:
 
  a. the sharp decline in fertility.
  b. improvements in standard of living and nutrition.
  c. improvements in medical science.
  d. the more equitable distribution of goods and services.

Question 2

The first major cause of declining mortality in the West was:
 
  a. modern medicine.
  b. improvements in hygiene.
  c. vaccinations.
  d. improvements in nutrition.


emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 1, 2018
Answer to Question 1

b

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Total fertility rates (TFRs) among major regions of the world. Total fertility rates (TFRs) among major regions of the world.
A set of tie stalls in an 18th century stable A set of tie stalls in an 18th century stable
Divorce Rates, Selected Countries In many countries divorce rates have risen in recent decades. Divorce Rates, Selected Countries In many countries divorce rates have risen in recent decades.
Effect of increasing temperature or lowering deltGo+ on the rates of reactions Effect of increasing temperature or lowering deltGo+ on the rates of reactions
Primary motor area of cerebral cortex Primary motor area of cerebral cortex
Primary Actions of Hormones Primary Actions of Hormones
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library