I'm pretty confident your answer is adjective. Hope this helped!
Explanation:
is it just (I – 15)2 = 9 that I'm post to solve or the whole thing or are those answer choices
Clustering is a type of prewriting that allows you to explore many ideas as soon as they occur to you. Like brainstorming or free associating, clustering allows you to begin without clear ideas.
If these are the choices:
A.The powder is an unnatural substance.
B.The powder has a texture like sugar.
C.The powder looks like freshly fallen snow.
<span>D.The powder is used in house construction.
</span>
<span>A.The powder is an unnatural substance. </span>best explains how the phrase “white granular powder” supports the author’s purpose of calling attention to the environment.
Because the powder is an unnatural substance, it's presence is a major cause of concern because its composition and effects is still unknown and it is seen everywhere.