What is the carbon cycle?
Heat transfer
Water movement
Carbon movement through Earth systems
Wind system
What are carbon sinks?
Systems that absorb carbon
Heat sources
Water systems
Wind systems
What happens when permafrost melts?
Cooling
Water absorption
Freezing
Carbon release
Why is methane important?
It reduces energy
It traps heat effectively
It cools the Earth
It reflects sunlight
What happens when oceans warm?
No change
Less carbon absorption
More carbon absorption
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