Within the first few hours your blood pressure l, pulse, and temperature of extremities have resumed their home static levels. The next eight hours see that nicotine levels that are still within the bloodstream have fallen to 6.25 percent of average daily levels--a reduction of 93.75 percent.
Answer: ruling out rival hypothesis
Explanation:
To rule out rival hypothesis suggests that to exclude the possible explanation for a specific claim. This suggests that before confirming or believing something one has to ensure that other explanation for a specific claim has been disproved to become sure for a specific claim.
According to the given situation, the stress and illness relationship is required to be derived. The increased level of stress and illness is responsible for the decrease in immunity is ruled out by the fact that people due to stress indulge or engage in health damaging behaviors. This is responsible for illness.
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