The answer is letter D.
Medical records can be considered as demonstrative
evidences. They are tangible in nature and can serve as representations or
evidence testimonies used in trials. This type of evidence is useful in finding
the facts in a case and establishing a concrete context among the facts that
were presented. They are commonly used as a personal injury lawyer resource and
can give a dramatic impact in the court of law. They also tend to maximize the
value of the case because of its concise nature.
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During the resting heart, that is, the number of times the heart beats per minute while the body is relaxed and at rest does not change significantly with age; But with age, there are changes in the ability of the heart to increase its rate during exercise and other moments of stress. Younger hearts usually usually speed up more faster than older ones when challenged. The maximum heart rate, the highest heart rate one can achieve as measured by a cardiac stress test declines gradually in adults as they age. The cause of this is slowing down of the heart's pacemaker cells.
Answer:
In the scientific method, observations lead to questions that require answers. In the scientific method, the hypothesis is a testable statement proposed to answer a question. In the scientific method, experiments (often with controls and variables) are devised to test hypotheses.
