Read the following passage. Look for purpose statements.
Xander walked into his biology lecture and saw three sentences on the board. The first read, "The purpose of this presentation is to explain
the differences between multiple theories of the existence of humankind." The second read, "Science helps explain the existence of
humankind, as supported by Charles Darwin's theory of survival." The third said, "This essay will compare various cultures creation stories
with scientific evidence on human origins." Xander was tasked with writing a paper using one of these statements; he grabbed a pen and
began to brainstorm.
What are the sentences that contain purpose statements in this passage? Select all that apply.
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Answer 2 Points
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sentences vary by structure as well as by function. there are compound, complex, and compound-complex sentences.

simple sentence

i like to read.

a simple sentence has one independent clause.

compound sentence

i like to read, and i also like to write.

a compound sentence includes more than one independent clause, connected by a coordinating conjunction (and, but, for, nor, or, so, or yet).

complex sentence

i prefer to read books that are bestsellers.

a complex sentence includes one independent clause and one or more dependent clauses. (a dependent clause is one that cannot stand alone.) types of dependent clauses include relative clauses (i kicked the boy who pinched me), adverb clauses (i am going home now because i have a curfew), and noun clauses (i don't know what to do next).

compound-complex sentence

although i prefer to read current bestsellers, i do like to read old agatha christie mysteries, and i also like some 20th-century science fiction.

compound-complex sentences take a bunch of clauses (multiple independent clauses, and one or more dependent clauses) and toss them together like a salad. although these sentences take practice to write in a grammatically correct fashion, they can hold a tremendous amount of meaning, and are common in academic writing.