<span>The answer is that there will be no change.
The cardiac output is the volume of blood pumped by the heart per unit time.
Multiplying the stroke volume and the heart rate gives you the cardiac output. The cardiac output for a person at rest is approximately 5L per minute.</span>
Because you cannot test it or observe it.
A scientific theory are created through the scientific method, in the scientific method you need to be able observe it and experiment.
Answer:
Explanation:
Because that’s the way it should be
Photosynthesis produce 02 (oxygen)