There needs to be a comma after timid.
The correct answer is "Hypothetical-Deductive Reasoning".
Hypothetical-Deductive Reasoning is described as a completely vital technique<span> for </span>testing<span> theories or hypotheses. The HD </span>method<span> is </span>one of the maximum primary strategies not unusual<span> to all </span>medical<span> disciplines </span>consisting of<span> biology, physics, and chemistry.</span>
During the time Germany was feeling the aftermaths of the Treaty of Versailles.