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Formed between the Mesozoic and Cenozoic, Brazil has numerous offshore basins that contain oil, related to the rifting of the Atlantic Ocean. The Sergipe-Alagoas Basin is an example of Aptian age shale, conglomerate and sandstone deposited in the final phase of rifting, while the Miranga, Aracas, Dom Joao and Agua Grande fields reflect mid ...
In this spider diagram, the position of the book lungs is labelled 1. Spider book lungs (cross section) Internal anatomy of a female spider, book lungs shown in pink A book lung is a type of respiration organ used for atmospheric gas-exchange that is present in many arachnids, such as scorpions and spiders.
Each lung is enclosed within a pleural sac of two pleurae which allows the inner and outer walls to slide over each other whilst breathing takes place, without much friction. The inner visceral pleura divides each lung as fissures into sections called lobes. The right lung has three lobes and the left has two.
Losing the earth’s second lung proved fatal for many ecosystems, human populations, and even entire nations—shattering the security and stability of the continent and indeed the whole planet.
The book describes a purported conspiracy to conceal the existence of the hollow earth and its access points at the poles. [12] Siegmeister claims that the North Pole flight was covered up by "certain secret agencies", which is an influential theory to Hollow Earth believers. [5] Siegmeister's hollow earth ideas are mentioned in detail in Alan ...
Brazil, [b] officially the Federative Republic of Brazil, [c] is the largest and easternmost country in South America. It is the world's fifth-largest country by area and the seventh largest by population, with over 212 million people. The country is a federation composed of 26 states and a Federal District, which hosts the capital, Brasília.
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Otherlands: A Journey Through Earth's Extinct Worlds is a nonfiction book about palaeontology written by Thomas Halliday, a British palaeontologist. He goes as far back in time as approximately 555 million years ago.