Did you know that an acre of trees can absorb as much carbon dioxide as a car emits in 11,000 miles of driving? Such fun facts abound in a short reading comprehension passage detailing the benefits of parks and rooftop gardens. After reading the passage, learners are tested on their ability to recall facts, to draw inferences, to compare and contrast information, and to describe the organizational structure of the passage. The precise explanations included in the answer key detail why one answer is correct and the reading strategies used to determine the correct response.