<span>The tympanic membrane or eardrum is a membrane in the ear that vibrates when hit by sound waves.It is tightly stretched and separates the ear canal from the middle ear. When sound waves hit the tympanic membrane, it vibrates. these vibrations are then passed to the middle ear, which consist of the ossicles or ear bones. </span>
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The answer would be B): Iron
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Proof
The answer is C) Living organisms use matter and energy for their life processes.
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the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
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Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of purine and pyrimidine bases, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.