Answer:
Carbon dioxide
Explanation:
Because The heart pumps the oxygen to the muscles that are doing the exercise. When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
D. Dehydration if you dont drink water while working out you'll start to get really tired and have an elevated heart rate.
Answer:
Staying away from those who have it.
Cleaning and disenfecting commonly touched surfaces.
Washing hands often.
Using hand sanitizer when washing hands is not available.
Hope this helps!
Quaternary ammonia (QA) sanitizers are<span> used to test the concentration of chlorine sanitizer.
How to Test:
</span><span>Dip the strip into the sanitizing solution for 10 seconds, then remove and compare to the color chart. If it reads between 100 ppm and 400 ppm, then the concentration is fine.</span>
Case study. the others require control groups.
