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Un REAL is loosely inspired by The Bachelor, a long-running US reality TV dating game show in which an eligible bachelor selects his soulmate from female contestants.
The standard implementation of Manager is org.apache.catalina.session. It supports the following additional attributes (in addition to the common attributes listed above): Absolute or relative (to the work directory for this Context) pathname of the file in which session state will be preserved across application restarts, if possible. See Persistence Across Restarts for more information.

Dating and first dates

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The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.

The resulting radiocarbon combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis; animals then acquire in a sample from a dead plant or animal such as a piece of wood or a fragment of bone provides information that can be used to calculate when the animal or plant died.

Time factors of millions and billions of years is difficult even for adults to comprehend.

However, "relative" dating or time can be an easy concept for students to learn.

The older a sample is, the less (the period of time after which half of a given sample will have decayed) is about 5,730 years, the oldest dates that can be reliably measured by this process date to around 50,000 years ago, although special preparation methods occasionally permit accurate analysis of older samples.

The idea behind radiocarbon dating is straightforward, but years of work were required to develop the technique to the point where accurate dates could be obtained.

The same is true with regard to the correctness of the dates which do appear in official documents, especially those of the early Middle Ages.

As a rule the charters emanating from the chancery of the Western Emperors are much more liable to this form of error than those of the Holy See (Bresslau, ib., 844). In any case it remains certain and is admitted by all serious writers upon diplomatics that the mere fact that an erroneous date occurs in a document, especially when we are dealing with the earlier Middle Ages, cannot by itself be accepted as a proof, or even a presumption, of the spuriousness of the document.

Teaching about Earth's history is a challenge for all teachers.

Dating as an institution is a relatively recent phenomenon which has mainly emerged in the last few centuries.

From the standpoint of anthropology and sociology, dating is linked with other institutions such as marriage and the family which have also been changing rapidly and which have been subject to many forces, including advances in technology and medicine.

, the first word of the formula, came to be used for the time and place therein specified.

The principle that imperial decrees and charters must be "dated" as a condition of validity, i.e.