The answer is
B. changing of Pluto's classification.
This is because they originally classified Pluto as a regular planet.
Hope this helps!
The correct answer is C.
A gerund is a verb ending in -ing that functions as a noun.
In "Check the smokes detector before exiting" <em>exiting</em> is not functioning as the continuous form of the verb "to exist" but as a noun.
A is wrong because "parking" and "exiting" are both functioning as adjectives.
B is wrong because "visiting" is functioning as an adjective, and "exiting" comes after "were" and therefore is a verb.
C is wrong because of the same reason as the second part of B. "Were exiting" is a verb.
<span>Iago is upset because he didn't get the promotion. Iago doesn't like Cassio because Cassio got the job that Iago wanted.</span>
The correct answer is B
<span>B. Helping people find their family members and other missing individuals </span>
Blogs and the internet were instrumental in helping reconnect New Orleans after the devastating hurricane Katrina.Specifically,the blogs and social media forums helped locate lost loved ones.