Flag football questions please help

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

answer; archaeologists;

answer; conventional stage;