Question

everyday thought is somewhat different from scientific thought. one action listed here is a trait of scientific thought. that action is
a makes claims.
b forms opinions.
c test hypotheses.
d makes observations.

Explanation:

In scientific thought, testing hypotheses is a key part of the scientific method. Everyday thought may involve making claims (A), forming opinions (B), or making observations (D), but these are not unique to scientific thought. Testing hypotheses (C) is a systematic and rigorous process that distinguishes scientific thought from everyday thought.

Answer:

C. test hypotheses