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Which process does not produce carbon dioxide?
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
One of the main ways CO2 is removed from the atmosphere is
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
Which one of these does not add CO2 to the atmosphere?
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
Which of the following is a true statement?
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
Which of the following is an example of a decomposer?
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
If the plant population decreased, the amount of carbon would _________.
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
Animals and plants return CO2 to the atmosphere by “breathing” in a process called
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
Processes that release CO2 to the atmosphere are known as carbon ________
Humans depend on oxygen, plants depend on carbon dioxide
Increase
sources
mushroom
respiration
planting trees
Photosynthesis
photosynthesis
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