The Younger Dryas, which lasted from _____________, was a return to glacial conditions which temporarily reversed the gradual climatic warming after the Last Glacial Maximum started receding around 20,000 years ago. 1. 30,200 to 22,000 years ago 2. 13,700 to 12,800 years ago 3. 10,300 to 9,900 years ago 4. 15,400 to 10,600 years ago 5. 12,900 to 11,700 years ago

The Younger Dryas, which lasted from _____________, was a return to glacial conditions which temporarily reversed the gradual climatic warming after the Last Glacial Maximum started receding around 20,000 years ago. 1. 30,200 to 22,000 years ago 2. 13,700 to 12,800 years ago 3. 10,300 to 9,900 years ago 4. 15,400 to 10,600 years ago 5. 12,900 to 11,700 years ago