In everyday life, a "theory" means a hunch, or a figure. In science a theory is the demonstrated consequence of a few trials. i.e. nuclear theory... we realize that molecules exist and that everything is made of iotas, yet in science the expression "law" is not utilized as a part of the case that ensuing confirmation ever surfaced to make a superior or more exact theory.
The answer for this question is C
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Answer:
The correct answer is A) Respiratory System
Explanation:
The Respiratory System has is concerned with the lungs, the process of breathing, etc. The lung is also one of the main organs in the Respiratory System. If your lungs are filled with fluid or infected, your body will have issues getting the air it needs.