DI 28 temperature variations, carbon dioxide and dust concentration thousands of years ago

The line chart shows temperature variations, carbon dioxide and dust concentration thousands of years ago. In term of temperature variation, the largest figure can be found in 300 years ago, which is around 3, while the smallest figure can be found in 50 years ago, which is -8. In terms of carbon dioxide, the largest figure can be found in 300 years ago, which is around 300, while the smallest figure can be found in 20 years ago, which is 180. Overall, it is clear that the figures for temperature variations, carbon dioxide and dust concentration fluctuated widely over the years.