PLS HELP. NO SCAM. NO LINKS. Read the passage.

Children today spend more time using computers, phones, and tablets than children did in the past. This means that youngsters tend to be less physically active now than before. At the same time, there has been an increasing awareness of the importance of exercise. Recent research has supported the idea that brain development and physical development go hand in hand. National Physical Activity Plan guidelines suggest that every young person engage in at least 60 minutes of physical activity a day.

What is the MAIN reason that the author mentions computers, phones, and tablets?
A. to explain that children spend much of their time using them instead of exercising
B. to trace the development of more and more complex electronic devices over time
C. to show that using them can encourage brain development in children
D. to describe how these devices have increased in popul

A: to explain that Children spend much of their time using them instead of exercising

A

Explanation:

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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)

the answer is "the man who came here yesterday was selling magazines."