Harry Hess was a scientist who first theorized key details about the earth's crust that revolutionized the understanding of plate tectonics. Plate tectonics is the separation of the earth's crust along fault lines. More »

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Harry Potter's real name is Harry James Potter. He is the main character in the "Harry Potter" book series written by J.K. Rowling. His middle name, James, is also his father's name. More »

Fans can contact Harry Styles by writing a letter to his agency at: Harry Styles, c/o Modest Management, The Matrix Complex, 91 Peter Borough Rd, London, SW6 3BU. Fans can also write an email to fanmail@modestmanagement.... More »

According to About.com, the Earth creates mountains through plate tectonics, where its crust is broken into plates constantly in motion, causing stress and uplifting in order to grow mountains. While growth is slow due t... More »

Earth is unique in that scientists have found the planet to be the only one to have liquid water on its surface, intelligent life forms living on it, a moon that helps regulate surface temperatures, an atmosphere with 21... More »

Physical geography focuses on natural processes of the earth, including climate and plate tectonics, whereas human geography studies the effect and behavior of humans and how they relate to the physical world. The two fi... More »

Lakes form due to receding glaciers, plate tectonics, volcanism, meandering rivers, landslides and human damming. Most of the natural lakes in North America formed due to glaciers receding from the last ice age 18,000 ye... More »