Answer:
I think its D.
sorry if it isn't correct
Explanation:
Okay, so I think you are asking <em>What is the possessive form of the word brushes.</em>
<em>Brushes' </em>
<em>Singular form (brush) = brush's</em>
<em></em>
<em></em>
<em>~theLocoCoco</em>
An introduction is given about how the topic of interes will be treated.
Usually images of an explanatory nature are included, with a explanatory talk, the images are included to bring the reciver closer to the topic of interest in a friendly way.
it's purpose is to inform a non specialized public, and sometimes, without prior knowledge, so that the same present an interest in the subject.