I believe the answer is: catgut tied to crude metal wires
The catgut is made by the intestines of mammals such as horse or sheep. Ancient Egypt was among the first one to use this method in order to preserve the teeth.
For wealthier citizens, they might use a more expensive metal for the braces. The Etruscans for example use gold as a form of brace in order to prevent tooth collapse.
<span>Political stability is not a barrier to economic development, so the correct answer is B. If something is stable, it means that it is in a good condition, and if it's in a good condition, it cannot be bad or preventing good things from happening. So B is a good thing, and cannot be a barrier to anything. Debts, diseases, and low levels of social welfare can be barriers, because they are indicators of bad conditions in a country. </span>
Finally, her parents praise her when she puts her books in the bookcase. This is an example of "shaping".
The way toward building up a conduct that isn't found out or performed by a person at exhibit is alluded to as Shaping. Shaping can likewise be characterized as the technique that includes fortifying practices that are nearer to the objective conduct, otherwise called progressive approximations. The idea was first created and utilized by B.F Skinner, who is known for his hypotheses that include learning practices through reinforcement.
<span>Cognitive dissonance- Lisa was feeling discomfort at the fact that her boyfriend was doing something she disagrees with. In order to relieve the discomfort, she decided to change one of the clashing things- she chose to conform to her boyfriend's ideas and ditch her own. She could have also chosen to justify her actions.</span>
The profane serves as anything that belongs to ordinary world and not spiritual.
<h3>What is profane?</h3>
A profane can be regarded as a term that refer to anything that doesn't involve supernatural power or religious inclined.
Therefore, a profane can be attributed to belong to commonplace and considered to be familiar.
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