Accessibility links
Skip to main content
Skip to main Navigation
Skip to Search
About Learning English
Beginning Level
Intermediate Level
Advanced Level
US History
Video
Follow Us
Languages
Search
Search
Previous
Next
Breaking News
Quiz - Air Pollution Affects Intelligence
October 15, 2018
Take our short quiz to test your understanding of the article.
Question 1 / 4
What are PM2.5?
They are "pollution matter" that kills on contact.
They are “problem metals” found in the water supply of many countries.
They are very small “particulate matter” that you can easily breathe in.
PM2.5 are deadly "poisonous matter" that only affects males.
Submit Answer
Next Question
Quiz - Air Pollution Affects Intelligence
XS
SM
MD
LG
