Eutrophication causes loss of biodiversity"". Substantiate the statement

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

The authors use the word “backbone” in lines 3 and 39 to indicate that

Based on the narrator's comments about living with the widow douglas, the reader can infer that a) the narrator doesn't care much for civilization and its strict rules. b) the narrator admires and wants to become more civilized and refined. c) the narrator is extremely religious and of high moral standing. d) the narrator desires to become a productive member of society.