Why teens stay up late?

It's because their brains naturally work on later schedules and aren't ready for bed. During adolescence, the body's circadian rhythm (an internal biological clock) is reset, telling a teen to fall asleep later at night and wake up later in the morning.

Explanation:

Teens brains work at a later schedule. Due to this they usually stay up late.

Explanation: During adolescence, the body's circadian rhythm (an internal biological clock) is reset, telling a teen to fall asleep later at night and wake up later in the morning.

autobiography of an ex-colored man is told from the first-person point of view of an unnamed male narrator. he starts his tale by stating that he is going to reveal the great secret of his life. he first takes the reader to his childhood in georgia where he was raised by a single mother. he was dissapointed in his own color.

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)