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WALLS AND FOUNDATIONS OF HISTORIC BUILDINGS

2009-4-29 · The primary wall usually contains the front entrance, is formally composed and uses high quality materials. Primary walls may also contain elaborate ornamentation and intricate ... Stone is a wall and foundation material commonly found in residential, commercial, institutional, government and some industrial buildings. It may be used in ...

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General Discussion of the Primary Sources Used in This ...

Primary Sources. Alvarado, Pedro de (defendant). Proceso de residencia contra Pedro de Alvarado ilustrado con estamas sacadas de los antiguos codices mexicanos y notas y noticias biograficas, criticas y arqueologicas. México: Impreso por Valdes y Redondas, 1847. Microfiche. Contains some interesting images from the codices critical of de Alvardo.

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The Trial of Socrates

2017-2-14 · The trial and execution of of Socrates in Athens in 399 B.C.E. puzzles historians. Why, in a society enjoying more freedom and democracy than any the world had ever seen, would a seventy-year-old philosopher be put to death for what he was teaching?

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Primary & Secondary Sources

2012-10-31 · Primary & Secondary Sources 3. Primary Sources – Definition A primary source is an original, "first-hand", or "eye-witness" account offering an inside view. It contains new information (new at the time it was created, that is) …

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Sedimentary Rocks

2  · Igneous rocks are sometimes considered primary rocks because they crystallize from a liquid. In that case, sedimentary rocks are derived rocks because they are formed from fragments of pre-existing rocks. Formation of Sedimentary Rocks. Sedimentary rocks are the product of 1) weathering of preexisting rocks, 2) transport of the weathering products, 3) deposition of the …

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Stone Age Art | Essential Humanities

2014-1-8 · The Birth of Art. The first phase of human existence was the Paleolithic (Old Stone Age), which spanned ca. 2,500,000-10,000 BC (see The Stone, Bronze, and Iron Ages) om the very beginning of this period, humans made stone tools.If one counts these tools as works of art, the history of art begins with the evolution of humans.. Tools, however, serve a physical purpose.

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Caves () have a primary appeal — they hold ...

Caves () have a primary appeal — they hold the secrets to our past and are mysterious in and of themselves. Mammoth Cave Kentucky, USA The longest cave system in the world lies beneath the Green River Valley in Kentucky and while over 400 miles

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Mybatis:Result Maps collection already contains …

2017-9-6 · Result Maps collection already contains value for XXXX 1.mybatis,,,XXX,mybatis,mybatis,,,,。

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laterite | geology | Britannica

laterite, soil layer that is rich in iron oxide and derived from a wide variety of rocks weathering under strongly oxidizing and leaching conditions. It forms in tropical and subtropical regions where the climate is humid. Lateritic soils may contain clay …

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First name,?

2018-8-29 · First name. ",". Jim Green,,,first namelast namejim Green,jimfirst (),first name。. Green,last(),last name …

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first name、given name or last name

2019-9-3 · +,first name、given namelast name。,,。TutorABC…

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Primary Sources for Historical Research | Subject and ...

2021-11-30 · Primary sources refer to documents or other items that provide first-hand, eyewitness accounts of events.For example, if you are studying the civil rights movement, a newspaper article published the day after the 1965 Selma to Montgomery march and a memoir written by someone who participated in the march would both be considered primary sources.

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granite | Composition, Properties, Types, & Uses | Britannica

Granite, coarse- or medium-grained intrusive igneous rock that is rich in quartz and feldspar; it is the most common plutonic rock of the Earth''s crust, forming by the cooling of magma (silicate melt) at depth. Learn more about the properties and …

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2012-5-16 · ,:. section, div. section (h1~6), article ., id ()。. 2012-05 ...

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Primary & Secondary Sources

2012-10-31 · Primary & Secondary Sources 3. Primary Sources – Definition A primary source is an original, "first-hand", or "eye-witness" account offering an inside view. It contains new information (new at the time it was created, that is) that has not been interpreted, evaluated, paraphrased, or condensed.

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Pyramids | National Geographic Society

Originally 146 or 147 meters (479 or 482 feet) high, the Great Pyramid required 300,000 blocks and more than two million tons of stone. Dr. Hawass helps put …

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2017-9-6 · 04-09. 1+. mybatis ( ) " Result Maps collection already contains value for xxx" : mybatis 2015-06-03 08:49 22870 (1) : : mybatis (3) X. mybatis Result Maps collection already contains value. ...

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What is a Primary Source?

A primary source is a first-hand or contemporary account of an event or topic. They are the most direct evidence of a time or event because they were created by people or things that were there at the time or event. ... Some secondary sources may also be considered primary or tertiary sources - the definition of this term is not set in stone ...

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Primary and Secondary Sources

2021-10-29 · A primary source is an original document that contains firsthand information about a topic or an event. Primary sources exist on a spectrum and different fields of study may use different types of primary source documents. For example, the field of History may use diary entries and letters as primary source evidence, while the Sciences may use a publication of …

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Serpentine: mineral, gem, ornamental stone, asbestos source

Serpentine is a group of minerals that are usually green in color. It is used as gemstone, architectural stone, carving material and source of asbestos. Serpentinite is a rock composed mainly of serpentine minerals.

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Primary vs Secondary Sources | Explained with Easy Examples

2018-6-20 · Primary sources provide raw information and first-hand evidence. Examples include interview transcripts, statistical data, and works of art. A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews ...

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drupe | Definition & Examples | Britannica

drupe, in botany, simple fleshy fruit that usually contains a single seed, such as the cherry, peach, and olive.As a simple fruit, a drupe is derived from a single ovary of an individual flower.The outer layer of the ovary wall is a thin skin or peel, the middle layer is thick and usually fleshy (though sometimes tough, as in the almond, or fibrous, as in the coconut), and the inner layer ...

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Primary & Secondary Sources

A question to ask yourself when trying to identify primary or secondary sources is: Did the person writing the thing do the thing? While this may sound odd, the best indicator that something is a primary source is if the author of the piece actually DID the work that led to the creation of the resource.. These are some other things to consider with primary and secondary sources.

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Natural Radioactivity in Building Materials | US EPA

2021-2-18 · Many homes contain decorative rock and stone, such as granite and marble. Because these rocks were formed in the Earth''s crust, they may include a small amount of naturally-occurring radioactive materials from Earth. Granite contains naturally-occurring uranium, thorium and their radioactive decay products.

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The Rock GRANITE (Igneous Intrusive Rock)

The minerals that are found in granite are primarily quartz, plagioclase feldspars, potassium or K-feldspars, hornblende and micas. Quartz is usually the last mineral to crystallize and fills in the extra space between the other minerals. Quartz''s hardness, lack of chemical reactivity and near lack of cleavage give granite a significant amount of its desirable durable properties.

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Sandstone

2  · Sandstone. Sandstone is a sedimentary rock composed mostly of quartz sand, but it can also contain significant amounts of feldspar, and sometimes silt and clay. Sandstone that contains more than 90% quartz is called quartzose …

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