Answer: Respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
Hence, respiration helps to maintain a persons health.
Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water.
Answer:
Copper and Iron
Explanation:
Phosphorus and Carbon are main group elements.
Answer:
the answer is amino acids. and also the end product of protein
