| http://www.w3.org/ns/prov#value | - A 'cold snap' that made the dinosaurs shiver 116 million years ago caused a crisis in the oceans similar to the effects of global warming.The 2.5 million-year cooling period led to the disruption of populations of small plants and animals that form the foundation of marine ecosystems.For most of the Cretaceous period, which marked the height of the dinosaurs' reign, the Earth was a 'hothouse' with
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