Correct option is A
Introduction:
This question asks about the fundamental basis of scientific observations.
Information Booster:
Scientific observations must be objective and verifiable.
(a) Verifiable evidence or systematic body of proof that can be cited: This is correct. Scientific observations require objective, repeatable, and confirmable data.
(b) Accumulated experiences: Subjective and not systematically recorded; not scientific.
(c) Prejudices: Introduce bias; antithetical to scientific objectivity.
(d) Beliefs of the people: Not based on empirical evidence or systematic investigation.
Therefore, scientific observations are based on Verifiable evidence or a systematic body of proof that can be cited.
Additional Knowledge:
Science relies on empiricism (knowledge from observation).
Key aspects: Objectivity, replicability, systematicity.
Goal: Gather bias-free data for valid conclusions.