if you are talking about the book sense and sensibility, they are sisters
<span>D. Eel Facts. 7 January 2012. Marine Online Database. 13 March 2012 (http://www.mod.net/eels/) Is the answer .</span>
Answer: I believe it’s A.
Explanation: it explains difficulties that astronauts may face and in the following sentence it goes more in depth
Saki provides several details that mark the transformation of the men from revenge-seeking enemies to peace-seeking friends. The first detail can be identified in Ulrich's feeling of pity for Georg that inspires him to make a sudden offer of wine to his enemy. Though Georg responds badly to Ulrich's attempt at peace, the narrator of the story reports that Ulrich's animosity begins to ease. The second detail that marks the transformation is Ulrich's speech to...
A comma indicates a pause between the ending of an introductory word, phrase, or clause, and the beginning of the main part of the sentence.
# A comma is used before any coordinating conjunction (and, but, for, or, nor, so, yet) that links two independent clauses. ....
#It is also used after a dependent clause that starts a sentence. ...
#Commas also used to offset appositives from the rest of the sentence. ...
#They are used to separate items in a series. (this is the most commonly used)
