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| imaginary line that falls on tyhe parallel of latitude at about 23.5 degrees from the South Pole |
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| An arc-shaped chain of islands |
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| imaginary line that falls on tyhe parallel of latitude at about 23.5 degrees from the North Pole |
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| A ringlike island or reef built of coral |
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| The science of measuring and charting the depths of a ocean, sea, lake, or other body of water. |
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| An open curved indentation in the shoreline of a sea, ocean, or lake |
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| a gently sloping band of sediments, such as sand and stone, dropped by the waves at the waterline of a ocean, sea or lake |
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| large-scale area with a certain community of plants and animals |
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| A long gentle curve in the shoreline of an open coast. |
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| The largest and most northern forest in the world |
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| A tall isolated rocky hill or mountain with a flat top and steep sides |
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| A large circular depression caused by the collapse of the top of a volcano. |
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| a human made waterway built for watering farmland, controling floods or other water moving purposes |
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| A deep valley with steep-sideswhere depth is considerably greater than width. These features are the result of fast flowing river |
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| A pointed piece of land juting into the sea from a coastline |
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| A low coastal bank or island built up to just about sea level |
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| The deepest part of a streambed |
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| Low evergreen scrub vegetation, one dominated by short, woody dense bushes, found in California. Related to maquis of the Mediterranean. Adapted for hot, dry summers and mild winters which may include periods of drought. |
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| a bowl-shaped hollow at the head of a mountain glacial valley |
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| the pattern or cycle of weather conditions of an area over a long period of time which allow for the designation of seasonal patterns and expected future weather. |
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| one of the seven largest pieces of land on earth. |
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| The slow movement of the landmasses on the magma .Theory that suggests that the Earth's crust is composed of several continental plates that have the ability to move. |
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| the shallow underwater that is the true outer edge of the continents |
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| a mound or ridge of coral polyps and their hard limestone remains. Offshore accumulation of dead coral, usually with live coral on top. |
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| an effect of the earth's rotation on moving things like wind ocean currents and planes |
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| Bowl shaped depression in the earth's surface created by volcanic activity or asteroid impact |
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| Stream of water smaller than a river |
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| A low fan shape plain formed gravel, silt, sand and clay deposited at a rivers mouth where is slows to meet another body of water. |
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| A dry, barren region that recieves little or no rainfall. Less than 10 inches a year |
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| a band of mild changable and calm westerly winds located at the equator. Similar to Intertropical Convergence Zone |
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| a low rounded mound of rock and clay left behind by a glacier. |
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| ridge or mound of sand formed by wind conditions in arid and coastal areas |
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| a system where populations of species group together into communities and interact with each other and their environment |
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| a system where populations of species group together into communities and interact with each other and their environment |
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| the physical surroundings in which organisms live |
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| Location on the Earth that has a latitude of 0°. |
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| Two days during the year when the the Sun is directly over the equator. The September equinox occurs on September 22 or 23. The March equinox occurs on March 20 or 21. On these days, all locations on our planet (except the poles) experience equal (12 hour) day and night. |
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| The gradual picking up, breaking down or wearing away of land by the forces of wind, water, and ice. |
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| A river mouth that is flooded by the sea. Somewhat enclosed coastal area at the mouth of a river where nutrient rich fresh water meets with salty ocean water. |
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| Disappearance of a species from all or part of their geographic range |
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| A crack in rock caused by stress. Can move up down or side to side. |
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| a long narrow, steep-sided coastal valley cut out by a glacier and flooded by the sea. |
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| Ecosystem covered by trees. |
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| Water that is relatively free of salts. |
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| The study of all aspects of the earth's surface, including it's physical feature and all life apon it. |
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| a mass of ice formed high in mountains through the accumulation of multiple years of snow input causing compaction and thus the expulsion of air from within the mass. |
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| A deep narrow river valley w/ vertical rock walls |
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| a vast open land covered with grass. |
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| Warm ocean current that originates in and around the Caribbean and flows across the North Atlantic to northwest Europe. |
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| Location where a plant or animal lives |
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| Location where a plant or animal lives |
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| body of water that is sheltered from the wind, waves and currents and deep enough for ships. |
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