B) informational
texts include legal and academic journals.
Salamanders can regrow entire limbs and regenerate parts of major organs, an ability that relies on their immune systems, research now shows. ... They then wiped out some or all of the macrophage cells to determine whether these cells were essential for regrowing the limbs.
The purpose of an introduction in an essay is to introduce the topic of the entire essay
If the subject consists of two or more words that are connected by and, the subject is plural and requires a plural verb.
