Plants use carbon dioxide as part of the process of making energy from sunlight. As part of that process, plants produce oxygen as a byproduct.The process of absorbing carbon dioxide and expelling waste oxygen is referred to as plant respiration.lants use carbon dioxide as part of the process of making energy from sunlight. As part of that process, plants produce oxygen as a byproduct.
Mounted to the tops of the windows and hinged, hurricane shutters are deployed in the same manner as Colonial-style. Homeowners unlatch them from their awning position and secure them below the windows. These shutters are sold in standard window sizes, costing $200-$1,000 each, or about $15-$20 per square foot.
1 Locks for additional security can cost $2-$600 or more, depending on style, design and materials, but average about $10-$50. 2  Before buying sliding doors with built-in blinds or shades, ask about how repairs are made and the cost of replacements. If not included, a sliding screen door can add $35-$150, or a retractable model can cost $100-$400. 2  Locks for additional security can cost $2-$600 or more, depending on style, design and materials, but average about $10-$50.