Ill award brainiest and free points to who ever can make the funnest joke #7

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.