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| A time scale that divides Earth's history into specific time periods. |
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| The divisons of the time scale. |
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| The are divided into eons eras periods and epochs. |
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| Eons of the precambien time |
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| Makes up 90 percent of earth's history. Haydean Archean Proterzoic |
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| Eras of the phanerozoic Eon |
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| Palezoic Mesozoic Cenozoic |
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| How scientists got the information of the geological time scale. |
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Definition
Studying rocks and fossils
Studies of weather and climate
Earthquakes and volcanoes
Plants and animals
Atoms |
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| Change in the charactices that are passed on from one generation to the other and the enviorment changes. |
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| Is animals being able to adapt in different situations and climates. |
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| The theory that eviormental factors affect the way adaptations develp. |
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| Eviormental changes effects species food and water supply. Introduction of a new preadotr or competiton or climate change. |
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| Servre eviormental changes that quickly kill off larage numbers of species. |
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| The underground location where the eaarthquake accurs. |
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| Is the point of the earth's surface directly over the earth's focus. |
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| Compostition of the earth's atmosphere. |
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| Made mostly of nitrogen 78%. |
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Definition
Troporshone
straitifaherphere
mesisofic
thermestier |
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| Molten rock below the earth's surface. |
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| Molten rock and is above the earth's surface. |
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| Is the measure of how a fluid flows. |
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| Is when lava has cooled and has a rope like texture. |
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| Is when there are soilds that are in the lava when the volcano erupts. |
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| A water staturated slurey of ash and other volcanio deburs that flows downslope. |
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| Is the mateial of a erupted volcanio. |
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| Is anything erupted from a volcanio. |
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