solar nebula. | Question 5 | | | | Correct. | | | The term planetary differentiation refers to the process in which _____. | the planets of our solar system condensed and accreted | | Earth originated | | lithospheric plates move around on the underlying asthenosphere in the terrestrial planets | | Earth separated into concentric layers or zones that differ in composition. | | Question 6 | | | | Correct. | | | Which of the inner planets
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1.1- Introduction Availability of natural resources and their proper application to overall development activities is the key factor for the economic growth of any nation. Bangladesh‚ though it is a small country of about 143‚998 sq km‚ has a number of mineral resources within its territory. The mineral resources so far discovered are mineral fuels (oil‚ gas‚ coal‚ peat)‚ hard rock‚ limestone‚ white clay‚ glass sand and heavy mineral sands. It was previously assumed that the geological setting of
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in Japan at 5:46 am. The earthquake had a magnitude of 7.4 on the Richter scale. The quake only lasted 20 seconds‚ but killed over 6‚400 people. This earthquake was caused by the subduction of the denser oceanic Philippines Plate by the lighter continental Eurasian Plate. During the 20 second earthquake‚ the ground moved 50cm horizontally and 1m vertically. This caused over 350‚000 people to become injured. More than 7‚500 wooden houses completely collapsed. Some buildings built in the 1960’s
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Rafael Christian L. Bojador Environmental Science CAS-01-401P “Is the world overpopulated?” Facts: Overpopulation is a generally undesirable condition where an organism’s numbers exceed the current carrying capacity of its habitat. The term often refers to the relationship between the human population and its environment‚ the Earth‚] or smaller geographical areas such as countries. Overpopulation can result from an increase in births‚ a decline in mortality rates‚ an increase in immigration
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Computer-Assisted Instruction and Science What Is Computer-Assisted Instruction? “Computer-assisted instruction” (CAI) refers to instruction or remediation presented on a computer. Many educational computer programs are available online and from computer stores and textbook companies. They enhance teacher instruction in several ways. Computer programs are interactive and can illustrate a concept through attractive animation‚ sound‚ and demonstration. They allow students to progress at their
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Theory of Continental Drift The seven continents used to be one giant continent named Pangea. They spread apart and became what the continents are today. The shapes of the continents line up‚ the fossils line up with how the continents‚ the rock formations on both sides of the Atlantic line up with the fossils and coastlines‚ and climatic evidence proves the Theory of Continental Drift. The first piece of evidence for Continental Drift is the shapes of the continents. All of the continents fit
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marinebio.net states‚ Wailea-Makena‚ Hawaii‚ East Maui County was caused by a hotspot or an extra hot plume of molten rock. This happens when heat rises as a thermal cloud from inside of the Earth. Heat and pressure at the bottom of the tectonic plate forces magma to form which then rises through cracks and erupts to form volcanoes. As volcanoes move away from a hotspot‚ they start to erode and become inactive. Maui is the third oldest volcano of the main Hawaiian islands and could still erupt one
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Ring. PLATE TECTONICS Plate tectonics is a theory that the earth is split up in to different areas of the world. They glide on the mantle of the earth the plates act like a hard ridged shell (fig 2 plate tectonics) Some of the plate tectonics move very slowly each year for example in Iceland there is a visible line where the plates are moving if the plates merge together they can cause mountains and volcanos. Mountains and volcanoes are formed buy two plates colliding together and one plate gets pushed
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How tsunamis occur. As one plate subducts below another (moves underneath)‚ pressure builds for many years resulting in a section of the mega-thrust giving away. As this section gives away‚ it ruptures the ocean floor‚ resulting in a massive displacement of water‚ causing a tsunami. Tsunamis are barely felt as a ripple on the ocean’s surface‚ but as the waves reach land‚ they increase in size as the water becomes shallower. Japan earthquake and tsunami At 2:46pm Japanese time‚ on March 11th
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thousand meters. The huge‚ brittle tectonic plates that make up Earth ’s crust normally move only a few centimeters per year‚ not fast enough to be noticeable in a human lifetime. However‚ in the East African Rift Valley‚ this tectonic motion is happening with remarkable speed. The East African Rift valley is an example of an active divergent rift‚ one of the few areas on Earth where a continent is being actively separated (rifted) by the ongoing forces of plate tectonics. East Africa Rift System (EARS)
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