From the lecture Slide #19: Global Albedo: What is Albedo? Group of answer choices It is a process that occurs when gases in the Earth's Atmosphere trap the Sun's heat. It is the fraction of sunlight reflected by Earth back into space. It is the portion of the electromagnetic spectrum that is scattered in the atmosphere It is the portion of the electromagnetic spectrum that is absorbed by water It is the portion of the electromagnetic spectrum that is visible to the human eye