Question

Scientists must be able to repeat an experiment and get very similar results; otherwise their conclusions will be questioned. If the results of a repeated experiment are different from the original results, the results of the experiment lack bias . are precise. lack controls. are flawed.

Answer 1

If the results of a repeated experiment are different from the original results, the results of the experiment are flawed.

Answer 2

Are flawed.
If the experiment couldn't be repeated with the same results, it means it was not done correctly.