Answer :
Final answer:
The study of compounds contained in the gas phase above a range of bacterial strain falls under the subject of Chemistry.
Explanation:
The study of compounds contained in the gas phase above a range of bacterial strain falls under the subject of Chemistry. Chemistry is the science that explains the composition, structure, and changes in matter, including chemical reactions. In this case, the compounds present in the gas phase above the bacterial strain would be analyzed and studied by chemists to understand their properties and behavior.