Because a beach is not a person, the only pronoun that can be used is "it."
It is interrogative because a question is being asked. It is usually interrogative if there is a question mark at the end.
The slope would be undefined and it would be wrote as (0,0)
<span>A longer sentence structure can give a reader the feeling that the pace is slowing down. Heavily-detailed sentences and paragraphs can make time feel as if it is standing still. Shorter sentences without detail can make time seem as if it is flying by instead of slowly progressing.</span>
