× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Other Fields Homework Help Family Studies
New Topic  
TimDavis36 TimDavis36
wrote...
Go to Answer
Posts: 743
Rep: 0 0
6 years ago
According to most scholars, life expectancy in the United States increased dramatically after 1900 because of
 
  .a. .the introduction of smallpox inoculation.
   .b. .the development of new medical treatments.
   .c. .changes in nutrition and living conditions.
   .d. .the natural evolution of epidemics.
   .e. .the natural evolution of microorganisms into less dangerous forms.
Read 61 times
1 Reply
Replies
Answer verified by a subject expert
goldenchild22goldenchild22
wrote...
#1
Top Poster
Posts: 848
Rep: 7 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

TimDavis36 Author
wrote...

6 years ago
Good timing, thanks!
sweetalia
wrote...

Yesterday
Thank you, thank you, thank you!
Ctownsend
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1543 People Browsing
 217 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 120
  
 357
  
 708
Your Opinion
Previous poll results: Where do you get your textbooks?