I would choose answer 2, since that answer is based on a same size consisting of more than 1 person, making it applicable to statistic analysis and have an input in the observational study. The other questions ask for one data point, which isn't statistical
Source: AP Statistics
Answer:
C Feeling hungry at the sight of the appetizing food
Explanation:
Because this is the only one that is not caused by a disbalance on the cellular level (overheating, not enough energy (glucose level), low water)
2. Flooding because is the answer to the question ok
B- desert gravel are landforms that are created by the wind agent of erosion
Answer: Plenty kinds of fruit grow on trees, such as acai berries, apples, peaches, pears, cherries, limes, coconuts, grapefruits, and mangoes