Sentences with phrase «takes ancient carbon»
Burning fossil fuels, such as coal, oil and gas, takes ancient carbon that was locked within the Earth and puts it into the atmosphere as CO ₂.
https://theconversation.com/ Not exact matches
Though carbon dating placed the manuscript in the 13th century, skeptics argued that it was not uncommon for looters to create forgeries on period - correct paper taken from ancient caches.
Taken together, the ancient unheated PAH carbon as well as the phosphides, the metallic aluminum, and the moissanite suggest that Hypatia is an assembly of unchanged pre-solar material.