Natural selection is the correct answer
The correct option is B.
Conductive hearing loss occurs when the sound waves in the ear are not been transmitted effectively to the inner ear due to some interference in the external canal. This type of hearing loss may occur in conjunction with other type of hearing loss.<span />
I do not know if it’s a bad thing but it’s okay so if you don’t do have a great day
Answer: Basic Principles of Gas Exchange
Gas exchange during respiration occurs primarily through diffusion. Diffusion is a process in which transport is driven by a concentration gradient. Gas molecules move from a region of high concentration to a region of low concentration.
Explanation:
Gas Exchange with Tissues
Gas exchange occurs in the alveoli so that oxygen is loaded into the bloodstream and carbon dioxide is unloaded from the bloodstream. ... Oxygen diffuses into the cells of the tissues, while carbon dioxide diffuses out of the cells of the tissues and into the bloodstream.
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A DNA MOLECULE HAS TWO PAIRED STRANDS
