At one point in the early history of the earth, all the continents where merged together as a mega continent called "Pangea". so there actually was no ocean between the land, allowing for dinosaurs to roam freely across the entire land mass. when the land masses split up, the fossils went with them :)
Obsidian is volcanic glass compared to other igneous rocks , there’s also no proper crystallization compared to the other igneous rocks
The climate of Peru is tropical. It has a large variety of climate and weather, including deserts and mountain areas, but it is mostly subtropical climate with rainforests.
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Answer:
A lack of safe water, inadequate excreta disposal facilities, poor hygiene, poor living conditions and unsafe food can all cause diarrhoeal diseases.
Explanation:
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<span>Mountain ranges that are on the Czech Republics borders include the Ore, Carpathian, Sudetic and the Sumarva mountains.</span>
