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) may have pegged it: the LIA appears to have started abruptly in the late 13th century, between the years 12.
Radiocarbon dating of plants from Baffin Island (north of the Hudson Bay in Canada) and sediment samples from a lake in Iceland indicate that there was a rapid onset of severe cooling at that time.
Some of the gases emitted by volcanoes also cool the air. Almost 11.5 lakh students registered for the exam last year with an increase of about 70.58% from NEET-I and 139.37% from NEET-II in 2016.The exam has replaced AIPMT as the qualifying medical entrance exam in 2016.Sunspots are dark, but they’re surrounded by a region, a rim, that emits strongly in the UV.These faculae, as they’re called, actually more than make up for the darker regions of the spots, so in reality sunspots However, this study showed that even if the Sun were less active, and therefore not warming the Earth as much, it would have had little effect.