2, 4-7 Although deep intramuscular injection into a large muscle is the preferred parenteral route of administration, promethazineâs product labeling states that it may be given by slow IV push, which is the typical method of administration in most hospitals.
Quick Answer. Plants produce oxygen as a byproduct of photosynthesis, the process that plants and other organisms use to create usable energy. Photosynthesis consists of carbon dioxide and water reacting in the presence of energy from sunlight, which produces glucose and oxygen.
Trees are autotrophs, which means that they create their own compounds from inorganic carbon. So, carbon comes from inorganic carbon. This carbon comes from CO2 (carbon dioxide) that is present in the air. The process by which this carbon is transformed into organic matter is called photosynthesis.