Equal areas of which type of surface will reflect the most insolation?

The type of Earth surface that will most likely reflect the most insolation and this would also radiate more energy back in the same amount of time would be rough and dark colored equal surfaces. Hope this answer helps you. 

Population of this city. also, look for information on available public transit, bike-sharing, and other commuting options. use the information you find and write about it promoting alternative transportation