For an accurate measurement of cardiovascular activity, researchers typically: D) measure the number of heartbeats per minute.
<h3>What is cardiac cycle?</h3>
Cardiac cycle is a process that involves the complete heartbeat of the human heart, which comprises sequential alternating contraction and relaxation of the atria and ventricles, so as to cause blood to only flow in one direction throughout the human body during any cardiovascular activity.
As a general, researchers should typically measure the number of heartbeats of a person per minute, so as to ensure an accurate measurement of cardiovascular activity.
Read more on cardiovascular activity here: brainly.com/question/1578171
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The answer would be: <span>Changing Age Structure of the Population
In order to create a successful marketing campaign for their products, marketing teams need to pay attention to the difference in taste that a new age group has compared to the older one. Because one day, the new age group will grow up to be the demographic that held the most economic power.
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To complete the sentence and to be produce a correct sentence structure and grammar, the answers should be thinks and are. To complete the sentence, it is read as the following; "The world-journal thinks that the justices of the supreme court are wrong in this case."
Answer:
the coast also known as the coastline or seashore
