Your friend says these results prove that taking ginseng while running will prevent shortness of breath. Create an alternative explanation for why the runner who did not take ginseng experienced shortness of breath, while the runner who took ginseng did not.

c. free trade can lead to low pay for workers in poorer countries.

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.