Hook-<span>Each year, more than 100 million </span>animals <span>are killed in U.S. laboratories for biology lessons, medical training, curiosity-driven </span>experimentation<span>, and chemical, drug, food, and cosmetics </span>testing<span>. </span>
The narrator.
The passage never gives the narrator a name, or refers to himself in any given name.
Hyphens are used to link words that function as a single adjective before a noun. They are used with compound numbers, and to avoid confusion or awkward letter combinations. Hyphens are also used with certain prefixes and suffixes and/or in specific circumstances.
Answer:
Due to his excellent skills, Walter is now considered a master.
Explanation:
