Answers are below the exercises.
We need marine algae a whole lot more than they need us.
_____ (Q) Trees and other land plants are very important, no doubt about it.
_____ (R) Think about it, 70 to 80 percent of all the oxygen we breathe comes from algae!
_____ (S) Without them we would really be sucking wind, but not for long!
_____ (T) But for pure survival, we couldn’t make it without algae.
_____ (U) At this point, you may be saying, “Yo! What about the trees and other land plants?”
http://www.ecology.com/2011/09/12/important-organism/
Tim Beatley has long been a leader in advocating for the "greening" of cities.
_____ (Q) While these are important aspects of re-imagining urban living, they are not enough, says Beatley.
_____ (R) But too often, he notes, urban greening efforts focus on everything except nature.
_____ (S) And any vision of a sustainable urban future must place its focus squarely on nature, on the presence, conservation, and celebration of the actual green features and natural life forms.
_____ (T) Instead, elements such as public transit, renewable energy production, and energy efficient building systems are emphasized.
_____ (U) We must remember that human beings have an innate need to connect with the natural world (the biophilia hypothesis).
http://islandpress.org/biophilic-cities
In mid-19th century America, most abolitionists were
willing to move slowly toward their goal of ending slavery.
_____ (Q) John Brown saw the cause in a different light.
_____ (R) Brown was unrepentant at trial, stating: "Now, if it is deemed necessary that I should forfeit my life for the furtherance of the ends of justice, and mingle my blood further with the blood of my children and with the blood of millions in this slave country whose rights are disregarded by wicked, cruel, and unjust enactments, I submit; so let it be done."
_____ (S) After U.S. Marines (commanded by Robert E. Lee) stormed the armory, a wounded Brown was captured.
_____ (T) He thought that "slavery, throughout its entire
existence in the United States, is none other than the most barbarous,
unprovoked and unjustifiable war of one portion of its citizens against another
portion," and he was willing to pursue just about any means at his
disposal to stop the practice.
_____ (U) On October 16, 1859, Brown, hoping to obtain weapons for
a slave uprising, led a raid on the federal arsenal in Harpers Ferry, Virginia
(now West Virginia), but Brown and his men were surrounded before they could
escape.
The scrambled paragraphs King: Daniel Gauss
Answers:
algae - 4,1,2,5,3 - Q=4, R=1, S=2, T=5, U=3
bio-friendly cities - 3,1,5,2,4: Q=3, R-1, S=5, T=2, U=4
john brown - 1,5,4,2,3 - Q=1, R=5, S=4, T=2, U=3