a. tropical latitude location
Explanation:
tropicale location isnt a climate its a location
The correct answer is letter B
Utility theory is widely used in economic science to explain how consumers or decision makers make their choices in the best way.
Even if it is not possible to measure the utility that a consumer attributes to a specific good, the theory seeks to compare and classify the alternatives of choice to the good.
Answer: Observational Study
Explanation: Observational study involves observing and measuring specific characteristics without attempting to modify the subjects being studied.