Answer:
Prepositional phrase
Explanation:
A prepositional phrase is a group of words consisting of a preposition and its object. Here we have the preposition for and its object running
- <u>Primary</u><u> </u><u>S</u><u>ource</u><u>:</u><u>-</u><u> </u><em>When</em><em> </em><em>the</em><em> </em><em>information</em><em> </em><em>is</em><em> </em><em>found</em><em> </em><em>by</em><em> </em><em>a</em><em> </em><em>person</em><em> </em><em>himself</em><em> </em><em>and</em><em> </em><em>used</em><em> </em><em>it</em><em>,</em><em> </em><em>It</em><em> </em><em>is</em><em> </em><em>known</em><em> </em><em>as</em><em> </em><em>primary</em><em> </em><em>source</em><em>.</em>
- <u>Secondary</u><u> </u><u>Source</u><u>:</u><u>-</u><u> </u><em>The</em><em> </em><em>type</em><em> </em><em>of</em><em> </em><em>information</em><em> </em><em>whoch</em><em> </em><em>we</em><em> </em><em>receive</em><em> </em><em>from</em><em> </em><em>other</em><em> </em><em>sources</em><em> </em><em>is</em><em> </em><em>called</em><em> </em><em>Secondary</em><em> </em><em>source</em><em>.</em>

A thank you letter from a customer Primary source
A magazine about local companies Secondary source
A business report about sales campaigns Primary source
A newspaper article Secondary source
a person working at the same business Secondary source
a popular book about management styles Primary Source
It was a collection of proverbs preaching industry and prudence.
Answer:
Good readers use textual features such as titles, headings, changes in font size, and graphics to more effectively read and understand functional text. (C.)