Top Posters
Since Sunday
d
4
N
3
3
R
3
k
3
o
3
Z
3
j
3
s
3
d
3
J
3
1
3
Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
New Topic  
Alamojay Alamojay
wrote...
Go to Answer
Posts: 1898
Rep: 43 0
9 years ago
The greatest progress in reducing atmospheric levels of lead pollution resulted from
A) the elimination of leaded gas.
B) the switch from lead to graphite in pencils.
C) the development of new types of batteries that use lithium instead of lead.
D) new types of lead scrubbers on smokestacks that removed lead from the air.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
Read 709 times
1 Reply
Super Cuban Dude
Smiling Face with Open Mouth
Replies
Answer verified by a subject expert
JesuisMelJesuisMel
wrote...
#1
Top Poster
Posts: 2453
Rep: 814 0
9 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

Alamojay Author
wrote...

9 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
ezsancheezy
wrote...

Yesterday
This site is awesome
Ifekwunigwe
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1625 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 204
  
 4146
  
 258
Your Opinion
What's your favorite math subject?
Votes: 559
Previous poll results: Do you trust social media networks with protecting your privacy?