I'm not sure what the lesson is, but the answer that makes sense the most is number. Number because most lessons in subject-verb agreement concerns the singularity and plurality of the subject at hand
Answer:
A blog explaining how to build a skateboard ramp
.
Explanation:
The three other options reveal a motive other than to inform.
The first option is intended to recruit volunteers.
The third option is intended to further agenda (the construction of a new community theater)
The fourth option is intended to entertain.
Only the second option, a blog explaining how to build a skateboard ramp, is motivated by a desire to inform readers.
Answer:
Parenthetical documentation refers to citing sources in parentheses at the end of the evidence.
Explanation:
Parenthetical documentation is used to simplify the way a reader can locate the reference for the information within an essay or any kind of written work, this way the writer doesn't have to add endnotes or a references list or page at the end, this information is located at the end of the citation as mention before between parenthesis.