Relier Pairs Carbon Dioxide and Climate ChangeVersion en ligne From Carbon Dioxide with Climate Change terms. Match each term on the left with its correct description on the right. par Mr. Mundo 1 Fossil Fuels 2 Preindustrial CO2 Levels 3 Ice Core Analysis 4 Industrial Revolution 5 Greenhouse Gas 6 Mauna Loa Observatory 7 Parts Per Million (ppm) A significant event in the 18th century that marked the start of a sharp rise in human-induced CO2 emissions. CO2 concentrations before the 18th century, serving as a baseline for modern comparisons. Energy sources like coal, oil, and natural gas that release CO2 when burned. The measurement unit indicating the number of CO2 molecules per million molecules of dry air. A location in Hawaii where atmospheric CO2 levels have been continuously measured since 1958. Method for studying historical CO2 levels by examining air bubbles in glaciers. Gases, such as CO2, that trap heat in Earth's atmosphere, contributing to global warming.