11. Lily has a greenhouse in her back yard. She plans to grow tomato plants in the greenhouse in early spring. The greenhouse effect in Earth's atmosphere works much like a greenhouse that houses plants. What is the difference between the air inside and the air outside of a greenhouse, and why?. a.The air inside the greenhouse is cooler than the outside air due to the solar energy available outside. b.The air inside the greenhouse is warmer than the outside air because of the trapped solar energy inside c. The air inside the greenhouse is cooler than the outside air due to the cooling effect of having no sunlight during the night. D.The air inside the greenhouse is warmer than the outside air because sunlight can escape through the glass.