It’s C because most exercise machines require less skill to use than free weights.
Disorder is disturbances in mental health
Slow muscles are more important for cardiorespiratory fitness because they efficiently use oxygen.
Bohannon propose we save the billions of dollars spent each year on powerpoint presentations by focusing it on dance.
<h3>What is Powerpoint presentation?</h3>
This is defined as a complete presentation graphics package with audio and visual properties.
According to Bohannon, it creates an illusion of understanding unlike dance which is why he proposed focus on dance. This isn't a realistic idea because it also has its unique properties and importance.
Read more about Powerpoint here brainly.com/question/15992747
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Answer:
Naturally acquired active immunity
Explanation:
Naturally acquired active immunity occurs when an antigen comes naturally in the body and immune cells are produced against it which also generates memory against the pathogen. It can lead to disease or just cause a primary immune response in which host do not get sick.
Artificially acquired active immunity occurs when antigen is introduced from outside in the form of a vaccine or other substance. It can initiate primary response but do not cause disease.
So naturally acquired active immunity is the type of adaptive immunity which can cause subclinical infection.