Malthus referred to famine, disease, and war as checks on population growth. a. negative b. cyclical c. positive d. preventative

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.

me no say

this is called police cynicism. i hope this .

answer; graduated cylinder;