The
choice that would be considered a primary source is letter B. an audio
recording of Winston Churchill. This is like an interview of him. An interview is a(n) primary source in which
one-on-one or small group question-and-answer sessions are conducted. Because
it comes from the person who actually has the knowledge on something. Primary
sources are sources gathered first hand and interviewing is one of them. No
matter how subjective it might be of how you would want to differentiate if it
is fact or opinion, it is still a primary source.
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One of the purposes of technical communication is to help the employers to understand and complete tasks in a more successful way. Technical communication helps employers identify people with the technical skills required, so they are able to do their jobs effectively.
Technical communication helps in the provision of backgrounds on which news ideas are built. The ideas built usually are unique and without unnecessary repetition.
Technical communication gives information to consumers on how to develop and manufacture products without the problems identifies. They ensure that there is an improvement to feedback given on changes. It also incorporates cross-cultural communication.
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B.) by identifying the topic, medium, and supporting sentences
I hope this helps! Good luck in your studies!
A. Short answer
http://www.dictionary.com/browse/objective-test