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.
One in particular, to capture the light of the sun, a photosynthetic organism requires a pigment molecule, which is a special colored substance that acts like an antenna capable of absorbing light energy. Pigment molecules channel the light energy into the right spot where the cell is carrying out photosynthesis.