To be correct, a scientific theory must be everything except:
a. supported by every part of a large collection of evidence.
b. considered to be unchangeable even if new scientific evidence disproves it.
c. testable by comparison with scientific evidence.
d. and explanation of something that actually occurs within the natural world or within man made technology.

The correct answer is B. Considered to be unchangeable even if new scientific evidence disproves it.

To be correct, a scientific theory must be everything EXCEPT "considered to be unchangeable even if new scientific evidence disproves it."

A scientific theory has to be logically consistent. It has to explain the phenomena and demonstrates its validity all the times. Scientific evidence supports the conclusions. And can be verified by other scientists using research protocols validated by the scientific community.

it should be d or b but i'm sure it's d

answer; disconfirm the catharsis theory;