MAP modifies package atmosphere to extend shelf life of food products. Oxygen promotes lipid oxidation and aerobic spoilage in food. Oxygen can be replaced with nitrogen or carbon dioxide
Aquascaping began in 1930s Netherlands with Dutch-style techniques. Hobby combines plants, rocks, and fish in aesthetically pleasing underwater displays. Technical aspects include filtration, CO2, lighting, and algae control
Rayon is a semi-synthetic fiber made from regenerated cellulose. Can imitate natural fibers like silk, wool, cotton and linen. Produces soft, smooth, cool and absorbent fabrics. Regular viscose has low durability, HWM rayon is stronger
CO2 contains carbon and oxygen atoms. Carbon is central with 4 valence electrons. Two oxygen atoms form double bonds with carbon. Total valence electrons in molecule are 16
CO2 is a colorless, odorless, nontoxic and noncombustible gas. Heavier than air and may asphyxiate by displacing air. Forms mild carbonic acid when dissolved in water. Solid form is called dry ice
CO2 blood test evaluates gas presence in bloodstream. Normal range is 23-29 mmol/L. Test helps monitor electrolyte balance and other health conditions