reviewersph.com
Home
(current)
Practice Tests
Random Questions
Board Exam Results
Math Notes
News and Articles
PDF files
Sign Up
Board Exam Reviewers with Random Questions
LET Reviewers
Secondary - Biological Science
What is the major pollutant from automobile exhaust?
Sulfur
Soot
Carbon monoxide
Carbon dioxide
Answer:
Carbon monoxide
Wrong Answer
Correct Answer
Check
Next