Apolice car drives with a constant speed of 60 km/b how l long will it take
ravel a distance of 180 kilometers?

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.

answer; the region experienced a surplus of food;