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.

Which statement about african americans during the civil war is true? o a. they were granted the vote in the north. o b. they were allowed to attend northern universities. c. they were given deeds to southern plantations. o o d. they enlisted in the union army.