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2
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Pacific island navigators use this often for telling direction
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5
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A coral island
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7
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Tool that is useful to know direction
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8
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Type of reproduction coral uses to expand or make new colonies
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10
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Brown-skinned agriculturists 4,000 years ago
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11
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The problem of knowing which way you are going
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13
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Starting from a known position and then just heading in the direction of your destination
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14
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Producing both sperm and eggs, though not at the same time
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15
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Main form of transportation for most Pacific island cultures
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16
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The problem of knowing exactly where you are
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18
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Polar ice will melt and sea levels will rise
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19
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Helps island navigators spot currents and judge their strength and direction
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21
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Theory that islands were found by islanders just sailing in any direction until they found land or died
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22
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A single coral individual
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23
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Dark-skinned hunters/gatherers from 40,000 years ago
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27
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This also referred as valuable 'sea marks'
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28
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Moisture in the air
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29
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Fertilized eggs
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30
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Type of reproduction coral uses to make internal or external fertilization
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