Answer:
THIS IS YOUR ANSWER:
<em>Science</em><em> </em><em>is a study of nature human</em><em> </em><em>beings plants animals chemicals and machines</em><em> </em>
<em>and</em><em> </em><em>pHySiCs is a part of science</em><em> </em>
<em>✍️</em><em>HOPE</em><em> </em><em>IT HELPS YOU</em><em> </em><em>✍️</em>
Until more Oxygen accumulated in the atmosphere
The correct answer is A, positively, it helps to diagnose heart disease.
An electrocardiogram records the electrical activity of your heart at rest. It provides information about the heart rate and rhythm, and shows if there is enlargement of the heart due to high blood pressure or evidence of a previous heart attack.
C. The weight of dairy cows fed different grass is deteriorating would be considered a qualitative observation. I hope this helps!