Sentence number 9; Sadly, even after that water is found only some of ITS clean and safe enough to drink.
The correct answer is D. however.
You want to show contrast between these two sentences, and the only word among these which can do that is <em>however. </em>The sentences are each other's opposites - even though there is an increase of eagles in the Southeast, there is still a decline in their numbers overall.
It would be B., 20 years because at the end of the story, Odysseus's son is an adult.
Athens used force to keep city-states from withdrawing from the league and <span>The purpose of the league was to keep Persia from conquering Greece.</span>
