Answer:
This question lacks options, the options are:
A. Moral and ethical beliefs
B. Popular support
C. Compelling evidence
D. Historical support
The answer is C. Compelling evidence
Explanation:
Scientific investigations are used to proffer solutions to problems or answer a question. However, before these scientific ideas can be accepted or rejected, it must be subject to falsifiable testing via experiment.
A hypothetical statement is given to explain a scientific observation, which is subjected to further testing via experimentation. The outcome of the experiment provides a COMPELLING EVIDENCE on which the acceptance or rejection of a scientific idea is based.