Reading & Writing: Fill in the Blanks
Cities are consistently warmer than the countryside that surrounds them, a phenomenon to as the urban heat island effect. Dark surfaces such as asphalt heat during the day and release it slowly at night, which night-time cooling. Planting street trees is one of the most cost-effective available to city planners.
Partial credit: 1 point per correctly filled blank, no penalty for a wrong dropdown. Feeds Reading and Writing.