What if Pangea still existed? What era and period is part of the Cretaceous? What is the most recent period in the Mesozoic Era? What caused Pangaea to break up? Where did the Cretaceous Period take place? Why were seas so high in the Cretaceous Period? What are the theories for the ...
What life existed before the Ordovician extinction? What animals lived in the quaternary period? What animals lived on Pangea? Were mammals extinct in the Cretaceous Period? Did the crinoids go extinct during the Cretaceous extinction? How did dinosaurs survive the Triassic extinction?
But even if an egg's species is unknown, it can still provide insight into how dinosaurs lived. First, like both birds and reptiles, dinosaurs built nests. While some fossil nests are haphazard piles of eggs surrounded by soil and debris, others hold intricately arranged patterns of eggs. So...
If crude oil had never existed, it is likely civilization would have invented these fuels and found feedstocks to produce them because of their useful properties. These hydrocarbons (CxHy) can be made in (1) unlimited quantities from natural sources of carbon dioxide (such as from air or ...
What if Pangea still existed? What is plate tectonics? How long did it take for Pangea to break apart? What are some potential hazards caused by plate tectonics? What is the relationship between continental drift and plate tectonics? What tectonic plates caused the 2004 tsunami? What is the ...
What if Pangea still existed? What is the coldest continent? What continent is Mount Kilimanjaro in? What continent is the Death Valley desert in? What continents does the Arctic Circle run through? Which of the two poles is located on a continent? What continents were in the Triassic Period...
What if Pangea still existed? What caused Cretaceous-Paleogene extinction event? What caused the Antler orogeny? What happened when the African and Eurasian Plate collided? What is the Pleistocene-Holocene extinction? What happened to the Larsen Ice Shelf in 2002? What does Pleistocene mean? What ...
Where was Pangea located on Earth? Who discovered Pangea? What is Earth systems geology? What are the three main themes of historical geology? What is a geological map? What if Pangea still existed? What is the oldest archaeological site in the world? What is the oldest tree in the world...
What if Pangea still existed? What geographic feature forms the eastern border of Europe? What is Pangea Ultima? What do sedimentary rock layers reveal about ancient environments? What is the difference between the Mesozoic Era and the Cenozoic Era? What are the subdivisions of the geologic time...
What animals lived on Pangea? What organisms went extinct in the Eocene-Oligocene? What dinosaurs lived in the Mesozoic era? How many species died in the Permian extinction? What did the extinction of the dinosaurs lead to? What animals lived in the quaternary period? What predators existed in...