What was constraint a limitation or condition in this version (science)

limitations or constraints in the vision of science is that the hypothesis must be testable and falsifiable

Explanation:This is because science places certain topics above the reach of the scientific method. Science can't confirm or deny the existence of God or any other supernatural being. Sometimes, scientific principles are used to try to lend reasonability to certain nonscientific ideas, such as intelligent design. Intelligent design is the believe that some aspects of the origin of the universe and life can be explained only in the context of an intelligent.

answer; i do believe its (b) 12.5 years of age;

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.