Question

A scientist designed an experiment to examine the effects of exercise on respiration. He collected the volume of the gases produced by a group of people as they were running, walking, and at rest for 5 minute time periods. Which question can the scientist answer with his experiment? a Does decreased activity require a higher amount of oxygen than increased activity? b Does the amount of oxygen produced during physical activity depend on time? c Does the amount of time spent being active affect the volume of carbon dioxide breathed in? d Does increased activity lead to a higher volume of carbon dioxide produced?
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Answered by GPT-4o mini
The question that the scientist can answer with his experiment is: **d Does increased activity lead to a higher volume of carbon dioxide produced?**

This question directly relates to the effects of exercise (increased activity) on respiration, specifically the volume of gases produced (which would include carbon dioxide). The experiment's design allows for a comparison of gas volumes during different activity levels (running, walking, and resting), making this question relevant and answerable based on the data collected.