CO2 and Global Warming Flashcards
1
Q
Name an example of greenhouse gas that we also drink.
A
H2O
2
Q
What is a negative feedback loop?
A
a response in which the effects of a reaction slow or stop that reaction.
3
Q
What is a positive feedback loop?
A
occurs when the product of a reaction leads to an increase in that reaction.
4
Q
When was the last time CO2 levels were even close to being this high?
A
130,000 years ago
5
Q
What can ice cores tell us about the past CO2 levels
A
They can tell us what the levels used to be by analysing the glasses trapped in ice air bubbles.
6
Q
What are the three main greenhouse gasses?
A
CO2, Methane, and H2O
7
Q
What do greenhouses gases trap that heats up the Earth?
A
Infrared light
8
Q
Can gasses trap visible light?
A
No
9
Q
How do we get excess nitrogen in the environment?
A
Human adding it to soil?
10
Q
A
