D. consider the psychological principles....
Answer:
B. The frame is people who play video games
Explanation:
into a survey it its neccesary to delimit people according to the subject of the survey in order to get representative dates of the population, for that reason if the survey want to show the quantity of people who buy video games in a national scale, the frame of that study is people who play video games, in this order of ideas, people who don't play videogames, don't like videogames and don't have the adquisitive power to buy video games would be excluded from the survey, however, if the pollster doesn't take into account the previous affirmations, the survey won't be conclusive, reaslistic and useless for showing the quantity people who buy video games in the game store.
<span>The answer is Philadelphia Orchestra
Free bowing is a technique in a symphony orchestra used by a string section to create a deeper sound by drawing the bow back and forth in unison following the directions inscribed on the sheet music by the concertmaster.
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The answer is "Authenticity".
Authenticity is the characteristic of something having been given by an approved source. This idea incorporates non-revocation, which is the failure of a gathering to deny or challenge the validation of a collaboration. Authentication in non-repudiable connections gives evidence that these cooperations are remarkably connected to an approved source.
For instance, a client will most likely be unable to get to a non-repudiable document after its receipt without likewise producing a record of this entrance.