<span>The number of independent clauses is zero or none but there is only one subordinate clause. The clause "Although the sky was a lovely shade of blue" is an example of a subordinate clause, which is introduced by the subordinating conjunction "although". This sentence does have a subject and a verb, but cannot convey a complete thought without the main clause.</span>
Atmophere is suppose to be spelled like atmosphere. They forgot the s.
The “hook” is the opening sentence that grabs the readers attention.
the answer is most likely the first sentence
It helps to organize ideas into memorable ones and make them on the same level of importance as the details that had been discussed earlier on