The primary inspiration of Franklin Roosevelt to try his career in politics was his cousin, Teddy Roosevelt. He saw that the ideals and principles of Teddy Roosevelt would eventually help him to his run for the presidency. Although he also encountered a lot of hardships, he eventually became one of America's greatest presidents.
The geologic time scale is made up of eons, which are divided into eras, which in turn are divided into periods. The periods are finally are divided into epochs. The basis of these divisions is the correlation between different categories of fossils and the rock layers in which they are found.
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The frequency of volcanic activity, is used to clasify volcanic mountains either as active, dormant or extinct.
The peace did not last. A month after Rabin, Arafat, and Peres signed a peace agreement in September 1995, on November 4, 1995, Rabin was assassinated by a Jewish extremist at a peace rally in Tel Aviv. Peres became prime minister and pledged to continue the peace process. However, terrorist attacks by Palestinian extremists in early 1996 swayed Israeli public opinion, and in May Benjamin Netanyahu of the right-wing Likud Party was elected prime minister. Netanyahu insisted that Palestinian Authority Chairman Arafat meet his obligation to end terrorism by Palestinian extremists, but sporadic attacks continued and the peace process stalled.
Places where plates are coming apart are called divergent boundaries. As shown in the drawing above, when Earth's brittle surface layer (the lithosphere) is pulled apart, it typically breaks along parallel faults that tilt slightly outward from each other. As the plates separate along the boundary, the block between the faults cracks and drops down into the soft, plastic interior (the asthenosphere). The sinking of the block forms a central valley called a rift. Magma (liquid rock) seeps upward to fill the cracks. In this way, new crust is formed along the boundary. Earthquakes occur along the faults, and volcanoes form where the magma reaches the surface.<span>Where a divergent boundary crosses the land, the rift valleys which form are typically 30 to 50 kilometers wide. Examples include the East Africa rift in Kenya and Ethiopia, and the Rio Grande rift in New Mexico. Where a divergent boundary crosses the ocean floor, the rift valley is much narrower, only a kilometer or less across, and it runs along the top of a midoceanic ridge. Oceanic ridges rise a kilometer or so above the ocean floor and form a global network tens of thousands of miles long. Examples include the Mid-Atlantic ridge and the East Pacific Rise.</span><span>Plate separation is a slow process. For example, divergence along the Mid Atlantic ridge causes the Atlantic Ocean to widen at only about 2 centimeters per year
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