Curtain Walls. Curtain wall systems clad a building envelope with glass and aluminum to protect the interior from the elements and creates a safe and comfortable work environment for the building occupants. Curtain walls are designed to only carry their own weight.
A. PHOTOSYNTHESIS Photosynthesis n: A process by which green plants and other organisms produce simple carbohydrates from carbon dioxide and hydrogen, using energy that chlorophyll or other organic cellular pigments absorb from radiant sources.
Photosynthesis is the process by which plants convert carbon dioxide and water into sugar and oxygen. Photosynthesis requires energy, and a plantâs chloroplasts absorb solar energy to fuel these reactions. Photosynthesis can only happen during the day when sunlight is available.