What has caused the rise of carbon dioxide levels in Earth's atmosphere since the Industrial Revolution? (1 point)
Possible Answers:
Climate changes caused more CO2 to be trapped in the atmosphere.
The average human carbon footprint increased steadily, until it then decreased back to low levels.
Commonly used fuel sources changed from wood to fossil fuels resulting in a higher percentage of carbon dioxide being produced.
Reduction in plant life, and deforestation resulted in increased oxygen in the atmosphere.