Top Posters
Since Sunday
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
naturelle naturelle
wrote...
Go to Answer
Posts: 1894
Rep: 3 0
7 years ago
The problem of air pollution was first reported during 
A)  the time of the Romans (2000 years ago). 
B)  the Middle Ages (approximately 550 A.D. to 1500 A.D.). 
C)  the 1800s. 
D)  the twentieth century.
Textbook 
Geosystems: An Introduction to Physical Geography

Geosystems: An Introduction to Physical Geography


Edition: 7th
Author:
Read 67 times
2 Replies
Replies
Answer verified by a subject expert
twentytootwentytoo
wrote...
#1
Top Poster
Posts: 713
Rep: 5 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

naturelle Author
wrote...
#2
6 years ago
You're my superhero lol

Thank you
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1266 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 331
  
 55
  
 398
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 741
Previous poll results: What's your favorite coffee beverage?