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