The Indian Ocean trade led to an increase in sea trade. “Unlike the Atlantic‚ the Indian Ocean had long served to connect rather than divide‚ facilitating trade among East Africa‚ the Persian Gulf‚ Indian‚ Southeast Asia‚ and China along maritime routes complementing the Silk Road that had long bridged eastern and western Eurasia by land” (Hansen and Curtis 471). The Dutch and the Portuguese stepped in‚ and intruded on the Indian Ocean. The goal of the Portuguese was to build new networks of trade
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Patrick Duff HI 10 D Toler February 26‚ 2015 The Atlantic Slave Trade In the seventeenth and eighteenth century‚ the number of human exports from Africa began to soar. Over this time‚ 12.8 million Africans were forcibly enslaved and shipped to Atlantic ports to be used for trade and sale. By 1820‚ four slaves had crossed the Atlantic for every European. Salves were the most important reason for contact between Europeans and Africans. The Atlantic Ocean became a commercial highway that integrated the
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Gardner ENG 201 : 8:00 Assignment 1: Natural Science Ocean Inside the Earth’s mantle The mantle takes up 84 percent of the Earth’s structure and is composed of my different layers. Knowledge of the upper mantle is that it includes tectonic plates‚ magnetic pull‚ heat flow‚ and gravity studies. A new discovery has been made and scientists have discovered an ocean on the Earth’s upper mantle near Asia as big as the Arctic ocean. This proof was found as a seismic wave diminishing into the
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Ocean Current and Global Weather The ocean is the largest habitat for life on earth‚ and is vital to the land habitats as well. The ocean regulates the earth’s weather patterns. The main force influencing global climate is the solar energy of the fun. Because the earth is a sphere its surface is not heated equally by incoming solar energy. The equatorial areas receive more sunlight while the poles receive less because sunlight strikes at an oblique angle so much of the sunlight are reflected away
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Imagine being a little kid‚ playing in the ocean. All the waves are crashing and you are jumping over them. Suddenly‚ you see a large amount of trash‚ beer bottles‚ plastic containers‚ and strings that hold all of it together. You remove the trash from the ocean and put it into a trashcan. By this small task‚ you have supported the sustainability of the ocean. “Sustainability is ensuring that critical social‚ economic‚ and ecological processes are maintained in a way so that both the short and long-term
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Part 1: 1. Describe four factors that influence ocean currents. There are many factors that influence ocean currents‚ four of the factors would be planet rotation‚ wind‚ density of water‚ and gravitation. Planet rotation causes the currents to move clockwise in the northern hemisphere and counter clockwise in the southern hemisphere. Wind blows on the surface of the ocean therefore pushing the water in the direction of the wind. Different densities in the water can cause currents to form and move
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CHAPTER 31 OCEAN CURRENTS TYPES AND CAUSES OF CURRENTS 3100. Definitions The movement of ocean water is one of the two principal sources of discrepancy between dead reckoned and actual positions of vessels. Water in motion is called a current; the direction toward which it moves is called set‚ and its speed is called drift. Modern shipping speeds have lessened the impact of currents on a typical voyage‚ and since electronic navigation allows continuous adjustment of course‚ there is less need to
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Ocean Pollution is Destroying the World We are constantly polluting the ocean never realizing the harm that it does. Pollution is creating an environment impossible to live in. Why should animals suffer at our expense? The ocean used to be the most beautiful place in the world‚ filled with life and color‚ but now it has turned into a trash filled monstrosity. We are constantly putting more and more trash into the ocean‚ making marine animals live in our filth. We must end pollution to save our world
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Introduction Over the last decade‚ there has been an increased focus on the impact of human activities on the planet and studying the potential impacts of ocean acidification (OA). Ocean acidification describes a change in the carbon chemistry of the ocean which has been a steadily emerging global environmental health concern. Oceans cover nearly 70 percent of the planet’s surface and play a crucial role in regulating atmospheric carbon dioxide through physical‚ chemical‚ and biological processes
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OCEAN ACIDIFICATION The world’s oceans have largely been left out of the mainstream discussion of global climate change. Yet‚ as one of the largest natural reservoirs of carbon‚ the surface ocean plays a critical role in the global carbon cycle. Over recent years‚ human activities such as the burning of fossil fuels have increased the amount of carbon dioxide gas emitted to the atmosphere and the amount that dissolves into the ocean. Over the last decade‚ scientists have discovered that this excess
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