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What is the main cause of the rapid increase in CO2 concentration in the last 200 years?

A. Increased volcanic activity
B. Interglacial periods of an ice age
C. Burning of fossil fuels by humans
D. El Niño ocean phases


Sagot :

Final answer:

The rapid increase in CO2 concentration in the last 200 years is primarily caused by human activities, specifically the burning of fossil fuels.


Explanation:

The main cause of the rapid increase in CO2 concentration in the last 200 years is the burning of fossil fuels by humans. This activity releases significant amounts of carbon dioxide into the atmosphere, contributing to the greenhouse effect and global warming. Scientific evidence supports the fact that CO2 levels have increased steadily over the past 200 years mainly due to human activities.


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