hazard groups: tectonic hazards (geophysical) and hydro-meteorological hazards. This means they are likely to be where plate boundaries intersect with major storm belts and they are also in areas of high human concentration in low or medium developed countries because this effects whether or not the country will be prepared thoroughly enough and whether it can recover quickly. The Philippines lies on a boundary between the Philippine and Eurasian tectonic plates‚ whereby the Eurasian plate is sub ducted
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both on the surface and underground. a. atmosphere b. hydrosphere c. lithosphere d. ionosphere e. biosphere 7. The ____________ explains how new crust is formed and recycled by large-scale motions of Earth’s surface and interior. a. tectonic cycle b. rock cycle c. water (hydrologic) cycle d. nebular hypothesis 8. According to the planetary accretion model‚ ____________.
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Speech The diverging plates below us are moving everyday; reshaping our world‚ slowly‚ but surely. These divergent boundaries are being studied around the world and they teach us about our evolved world‚ and its continuing evolution today. There are two types of divergent boundaries‚ the oceanic and the continental. These occur where their names have defined‚ within the oceanic crust and the continental crust. Both begin at the movement of the convection currents‚ which push plates up and away from
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Evolution of Himalayas The Himalaya holds very important geological and tectonic history. The arc of Himalayan belt is about 2500 km from northwest to southeast. It comprises of well-known famous peaks like Nanga Parbat‚ Evereast and Namche Barwa etc. The Himalayan ranges hold a huge concentration of lithospheric mass comprising Precambrian to Recent sediments. The contnent to continent collision of Indian and Asian plates is considered as the grave reason for the origion and development of Himalaya
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2. 1.1 The particles that make up an atom3 Basic sub-atomic particles‚ each has different properties. Name | Symbol | Approximate relative mass | More accurate mass | Relative charge | Proton | p | 1 | 1.0000 | +1 | Neutron | n | 1 | 1.0016 | 0 | Electron | e | Almost zero | 0.000 547 | -1 | This is the culmination of the work of 5 eminent physicists‚ Dalton‚ Thomson‚ Rutherford‚ Bohr and Chadwick.Their work basically culminates in the ideas above and the important fact that an atom consists
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theory about the formation of the Himalayas started to take shape in the year 1912 when German meteorologist Alfred Wegener developed his Theory of Continental Drift. According to Wegener‚ the earth was composed of several giant plates called tectonic plates. On these plates lie the continents and the oceans of the earth. The continents were said to have formed a single mass at one point in time. From this single mass‚ today’s continents have "drifted" apart from each other over a period of millions
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Millions of years ago Pangaea is what was believed to be‚ and now has evidence to support‚ the first continent on earth. It is referred to as the super continent as all existing continents were connected to it. In Greek‚ Pangaea is defined as “all the earth”; the man who came up with theory was Alfred Wegener. Wegener had a PhD in astronomy but always had an interest in geoscience. “Wegener was browsing in the university library when he came across a scientific paper that listed fossils of identical
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1. Identify all of the types of plate boundaries that are associated with active volcanism. a. Divergent b. Convergent 2. Identify all of the different observations Alfred Wegener used to support his theory of continental drift. a. Fossil distribution b. Match of mountain belts among North America‚ Europe‚ and Greenland c. Fit of continents‚ matching rock units d. Glacial deposits (moving away from Antartica) 3. Identify all of the different observations used to support Harry Hess’ theory
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for this lecture Why Learn Earthquakes? Plate Tectonics they are not static they always move. they are moving in a limited space it will cause friction when it moves moves very slowly a few centimeters a year. slides past each other and radiated seismic energy. as it travels it causes shaking. seismic waves from epicenter cause a lot of shaking Continental drift pangea moved and separated into different continents. SF 1906 the plate moved 400 km past each other creating 8.2 earthquake
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the three main types of plate boundaries. How do they work? How are they similar and different? There are three different plate boundaries. There is convergent‚ divergent‚ and transform boundaries. They all do different motions. Convergent boundaries are boundaries where the two plates are coming at each other or converging. Divergent boundaries are boundaries where two plates are moving away from each other or diverging. Transform boundaries are boundaries where two plates are shearing past each
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