Population density is calculated by . a. dividing the number of organisms in a region by the land area b. multiplying the number of organisms in a region by the land area c. dividing the land area by the number of organisms in the region d. by subtracting the land area from the number of organisms in a region

Fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him.""i knew him last summer at grand isle," she replied.  what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections. arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role. robert is completely unaware of arobin’s romantic intentions and love for edna. robert has much more confidence in himself than arobin does.