Air gaps prevent cross-connections and contamination by discharging water and waste across an unobstructed space (a gap of air). That space is between the fixture outlet and the "flood level rim" of a receptacle (be it a sink, floor drain, standpipe, or other approved unit).
Potassium is the answer i found on the web
Answer:
Natural resources can be classified as potential, actual, reserve, or stock resources based on their stage of development. Natural resources are either renewable or non-renewable depending on whether or not they replenish naturally.
Explanation:
Natural resources include oil, coal, natural gas, metals, stone, and sand. Air, sunlight, soil, and water are other natural resources.
The drug interaction that the nurse administering the procedure that is carefully avoided would be the possibility of incompatibility. In addition, an incompatibility usually takes place when a precipitate is produced upon the reaction of medications, therefore, it must be carefully prepared and administered.
Cost, lack of time, distance, and lack of physical ability.
