video1.0<iframe src="https://www.loom.com/embed/4eafe0d089e74a55814f0dfa1c7aa692" frameborder="0" width="1038" height="778" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>7781038Loomhttps://www.loom.com7781038https://cdn.loom.com/sessions/thumbnails/4eafe0d089e74a55814f0dfa1c7aa692-00001.jpg99p: According to the data in the figure, the greatest below-average temperature variation occurred around what year? a: 1200 CE ; 1375 CE ; 1675 CE ; 1750 CE ;