lailidoll
lailidoll
15.12.2020 • 
Biology

4. Which answer explains how carbon cycles in our world? (5) (5 Points)
Humans burn more fossil fuels every year.
Animals breath out oxygen into the atmosphere & plants release carbon dioxide.
Humans cut down forests; deforestation.
Animals breath out carbon dioxide into the atmosphere & plants absorb it for photosynthesis.

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