stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
A11 - GLOBAL WARMING Flashcards | StudBud
A11 - GLOBAL WARMING
1 / 11
What is pollution?
A
Only smog hanging over cities
B
Anything that makes the Earth clean and healthy
C
Contamination of the Earth
D
Anything that makes the Earth dirty and unhealthy
Next
0
0
correct · 0:00
