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.
Typical costs: A basic, wired, install-it-yourself home security system starts around $50-$300, depending on the number and type of sensors and controls.