The heavier elements in the universe where formed by

the heavier the elements in the universe were formed by fusion reactions. Fusion reaction is when a type of nuclear reaction where two or more nuclei combine or collide to form an element with a higher atomic number

H.ITS.H

#COL

your answer should be c, it seems to be the only one that makes sense. mark me branliest : )

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.