A comparison using like or as is a simile.
1 is C
and
2 is B
im sorry if that is incorrect this one was also tricky for me
The correct answer is option B. "The author should provide more information about the person quoted". In this example the author is citing "Donald Begha" to state that texting while driving is almost as dangerous as drinking and driving because of the number of auto accidents that they cause. Since the author is using an important statement it would be useful to give more information about "Donald Begha" and how it is an authorized person to make the statement.
Global warming<span> is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth's climate.
</span>it effects the world because it causes the see level to rise and the melting of glaciers and ice sheets...
hope this helps!