Research Questions In this activity, you will form an opinion, based on your research, about whether humans are responsible for climate change. When conducting research, it helps to have guiding questions. These questions will help you focus your research. Consider these guiding questions for research:

What percentage of greenhouse gases are produced by humans today?
What percentage of greenhouse gases were produced by humans in the early 1900s?
What other factors cause greenhouse gases?
What is the relationship between the concentration of greenhouse gases and temperature?

Write down three to five questions about human activities and climate change that will help you form your opinion about the subject. During your research, look for facts that will answer these questions. You will submit these questions when submitting your assignment.

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 grass-plot before the jail, in prison lane, on a certain summer morning, not less than two centuries ago, was occupied by a pretty large number of the inhabitants of boston; all with their eyes intently fastened on the iron-clamped oaken door.

— the scarlet letter,

nathaniel hawthorne

''eyes intently fastened''

''iron-clamped oaken door''

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