stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Climate 2 Flashcards | StudBud
Climate 2
0
0
/ 20
Question
How have scientists measured the amount of carbon dioxide in the past?
Answer
By measuring carbon dioxide in bubbles trapped in ice at the poles.
Know it
Still learning
Flip
Space
Card 1 of 20