earthquakes to plate tectonics and faults in Los Angeles? What are some historical disasters associated with earthquakes? What are the hazards associated with earthquakes? What is the potential for future earthquakes in the Los Angeles area? Earthquakes are started at the Earth’s crust. Our planet is made up of different plates which float on a layer of molten material or magma much like potato chips would float on top of a bowl of water. Scientists believe there could be as many as 12 plates that make
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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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A look at the Inner Earth Studying the earth’s interior can help us to understand earthquakes‚ volcanoes‚ plate tectonics and more about the inner earth’s natural processes. In general the earth’s interior has been sorted by Gravity. Heavier elements like iron tend to sink toward the center or core of the earth. Lighter materials‚ the silicates‚ oxygen compounds and water have risen to become part of the crust. This action has created distinct layers within the earth and is still in process today
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winds through all major ocean basin like the seams on a baseball. Ridges vary in width from 600 miles to 2500 miles. The mid-ocean ridge represents an area where‚ lithospheric plates move apart and new crust is created by magma pushing up from the mantle . Also‚ the mid-ocean ridge system is an example of a divergent plate boundary. 4.) Briefly describe the process of continental rifting. Where is it occurring today? As crust is pulled apart‚ rifts are formed and eventually become large enough
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plasmids. It was hypothesized that if bacteria that were transformed with +pGlo plasmids are given the gene for GFP‚ then transformed cell colonies will be located on the LB/amp/ara and LB/amp agar plates. Cells that have been transformed with +pGlo plasmids have the ability to grow in ampicillin plates‚ and the arabinose sugar allows the colonies to be visibly fluorescent under ultraviolet light. The GFP is able to resist ampicillin because of the Beta- Lactamase protein that is produced and secreted
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example of a regular volcanic eruption caused by a ‘Hawaiian’ Volcano is Kīlauea which has been continuously erupting since January 1983‚ and has causes no loss of life. Looking at the proprieties of the magma explains why eruptions along subduction plate boundaries product more ‘hazardous’ eruptions‚ and this is one of the reasons that a volcano becomes more hazards because the more viscous a material is the more pressure build up will occur within the volcano‚ causing more explosive eruptions. Explosive
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Assignment: Sedimentary Rocks * Where do sedimentary rocks originate? Sedimentary rocks are the most common rock on earth. Sedimentary rocks form at‚ or very near‚ the Earth’s surface where rocks particles transported by wind‚ water and ice are deposited on dry land‚ on the beds of rivers and lakes and in marine environments: beaches‚ deltas and the sea (Sedimentary Rocks‚ 2001). The earth surface is constantly moving‚ materials are continually being deposited through various parts of the
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issues- proximity to lowland coast‚ ability to adapt to change‚ socioeconomic effects‚ impacts within a community‚ difference in rich and poor‚ urban and rural‚ ability to cope with a disaster‚ willingness of people to aid 3. Physical issues- type of plate boundary‚ frequency of events 4. Case studies: Volcanos: Nyiragongo‚ Mount Etna; Seismicity: Japan‚ Haiti A hazard is a physical or man-made event which adversely affects human life‚ business‚ and events. Volcanic hazards may include lava‚ pyroclastic
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Earth’s surface? 1) _______ A) economics B) social development C) anthropology D) geology E) politics 2) What is the theory of plate tectonics? 2) _______ A) Earth is made up of a large number of geological plates that move slowly across its surface. B) Earth was created 6‚000 years ago. C) The number of tectonic plates equals the number of continents on Earth. D) Earth’s continents are moving closer together. E) Human activities are changing Earth’s surface
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In this essay I will tell you about the main parts of a volcano and it’s origin. The first main part I will tell you about is the magma chamber. A magma chamber is a large pool of molten rock‚ also called magma‚ sitting underneath the Earth’s crust. The magma chamber can be more than three miles below the Earth’s surface and the magma waits there for the pressure and gases to become too much to stay stable. The magma in the magma chamber is less tense than the mantle surrounding it‚ so it moves toward
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