The right answer is "A. By conducting experiments, which are like tests "
The experiments are tests carried out by scientists to prove or deny the hypotheses they had about a particular topic. Thus, the results of the research will be made based on the result of these experiments.
THE TRAGEDY OF MACBETH ACT III...Are the people happy about Macbeth's rule? Why or why not? With a partner, discuss what is revealed about the way in which Macbeth governs.