Marine animals depend on their hearing more than

other senses. According to the selection, what is one

reason for this?.

Most marine animals do not have a nose or a similar

organ to smell with.

The ocean is so large that marine animals do not have

to use their sense of touch.

Light doesn't penetrate very far into water, so marine

animals cannot rely on their sight.

Marine animals have dangerously bad senses of taste,

causing them to eat sick animals.

The speed of sound in the water is 1450 to 1498 meters per second.

Marine animals became adapted to this adroitness of hearing because they are wary about the possible risks from their other senses

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)