ambassador. 1  a diplomatic official of the highest rank, sent by one sovereign or state to another as its resident representative (ambassador extraordinary and plenipotentiary) 2  a diplomatic official of the highest rank sent by a government to represent it on a temporary mission, as for negotiating a treaty.
A bacteriostatic is a compound which has the effect of preventing bacterial growth. These agents do not kill bacteria like bactericidal compounds; instead, they limit further replication of bacteria at the site where they are introduced. Several antibiotic drugs are bacteriostatic agents, with tetracyclines being a notable example.
Abiotic reservoir = carbon dioxide in air (0.033%) and dissolved in water (carbonates), rock/fossils = petroleum products, limestone, sediments. Biotic reservoir - carbon is the basic structural building block for virtually all molecules (such as proteins, carbohydrates, lipids or fats, and nucleic acids).