Unfortunately. most of the (i)_________suburbia comes from metropolitan critics who glimpse it only fleethigly. Accustomed to the more structured forms of the city, they see only visual (ii)_________. And failing to recognize the interactions customary in an urban setting in the social and community life of suburbanites, they see social (iii)_________and miss the real diversity and richness.

The danger often facing authors of satirical works is that if the audience is not (i)_________the joke, the piece may

end up (ii)_________the behavior it was trying to (iii)_________.

Her tendency toward_________made her willingness to step up and lead the turbulent group all the more impressive.

Given the_________of archival materials related to her subject, it is not surprising that the author is unable to

marshal much detailed documentary evidence to support some of her claims.

The iacl thai ihcre are so many varieties of youthful dissent indicates that there is considerably less_________to this counterculture than has been suggested.

Scientists have recently confirmed that Mercury possesses a lot of ice._________discovery for a place that ranks among the hottest in the solar system.

In 1995 the United States National Park Service reintroduced wolves into Yellowstone National Park, from which they had been eliminated decades before by overhunting. Biologists hoped the reintroduction would return the park's mix of animals to a more natural state. After the wolves disappearance, the population of their onetime prey, the elk. had burgeoned. Subsequently, new tree growth declined as multiplying elk browsed young trees, denuding certain areas of the park. Following the wolves" return, the elk population declined and young trees rebounded. Most scientists attribute the vegetation changes to the wolves1 return. However. Ration observes that Yellowstone has not had a harsh winter since wolf numbers reached high levels and suggests that elk may not have needed to resort to trees for food.

It can be inferred from the passage that the scientists would he most likely to cite which of the following in support of their view?