It's a Jungle Up There

8. Which sentence states a central idea of the passage?

• M. Herbs grow well on sunny walls.

• P. A variety of animals have been found on roofs.

• R. Greening a building requires careful planning.

• S. Students enjoy studying rooftop gardens.

How does the author develop her ideas about green roofs?

• A. By giving examples of buildings that use green roofs.

• B. By showing how green roofs are superior to other roofs.

• C. By describing different ways green roofs can be beneficial.

• D. By explaining that green roofs are more affordable than other roofs.

10a. What does to channel mean as it is used in paragraph 4?

• M. to build up

• P. to mix

• R. to take away

• S. to change

10b. Which phrase BEST supports the answer to Part A?

• A. "padding to protect the building."

• B. "so heavy rains don't drown the plants."

• C. "walls are fitted with tubes that carry water"

• D. "that is light and holds water well"

11. What is the relationship between a landscape architect and a roof and wall gardener?

• M. A landscape architect follows the instructions of a roof and wall gardener.

• P. A landscape architect must complete his or her job before a roof and wall gardener can begin.

• R. A landscape architect checks to make certain that a roof and wall gardener is ready to work.

• S. A landscape architect is not as important as a roof and wall gardener.

12. What is ONE benefit of a green building that the author implies but does not support with evidence?

• A. A green building can be educational for students.

• B. A green building can keep people drier in rainy weather.

• C. A green building can bring the members of a community together.

• D. A green building can help people feel good about contributing to the environment.

13a. Which statement BEST describes the relationship between city jungles and rain?

• M. City jungles raise the temperature by increasing the amount of water that evaporates.

• P. City jungles conserve rainwater and allow it to flow more easily into the sewer system.

• R. City jungles keep certain kinds of wildlife from living on a roof.

• S. City jungles help control the amount of rain that reaches the ground.

13b. Which statement from the passage BEST supports the answer to Part A?

• A. "Green walls are fitted with tubes that carry water and nutrients right to the plants' roots."

• B. "The possibilities are almost endless; a green wall can support hundreds of types of plants."

• C. "Storm pipes can overflow during heavy rains-by soaking up extra water, green roofs can help prevent floods."

• D. "A green roof is usually about the same temperature as the air."

14a. Which idea does the author develop to show a positive effect of green buildings on cities?

• M. Green buildings help to conserve the water supply.

• P. Green buildings keep pests from invading buildings.

• R. Green buildings prevent water from collecting on roofs.

• S. Green buildings help control outside temperautres.

14b. Which statement from the passage BEST supports the answer to Part A?

• A. "Green walls are fitted with tubes that carry water and nutrients right to the plants' roots."

• B. "All that extra green attracts birds, bees, butterflies, and other wildlife."

• C. "In fact, the air outside a building with living walls can be as much as 18 degrees Fahrenheit cooler than the air outside a normal building."

• D. "With all the benefits a city jungle has to offer, it's only a matter of time before one sprouts up near you."