Listen Which of the following is true about climate change the current levels of CO2 in the atmosphere are higher than they have

Question

Listen Which of the following is true about climate change the current levels of CO2 in the atmosphere are higher than they have ever been in the past 400 000 years CO2 levels in the air have never risen before the Earth s climate has never warmed before Earth s atmospheric temperature does not seem to be correlated with the level of CO2 Othe the

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