Why do scientists sometimes discard theories?
select one:
a
the steps in the scientific method were not followed in order.
b
public opinion disagrees with the theory.
c
the theory is opposed by the church.
d
contradictory observations are found.
e
congress voted against it.

d . Contradictory observations are found.

Explanation:

A scientific theory can be define as the proposed explanation of cause of a natural phenomena or event. It is based upon evidences obtain from direct observations and experimental procedures.

A change in the concept of the scientific theory only occurs when there exists a contradictory idea or evidence by the other experimenters which explain the facts which are required to discard the theories.

answer; 4 electrons;