Answer:
The trachea branches into two tubes called bronchi (one to each lung). The bronchi split into smaller and smaller tubes called bronchioles, which then end in microscopic alveoli (air sacs). ... The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
Answer:C) Placed in a container with antifreeze
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Explanation:
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It spanned 4.059 billion years.
So it is none of the above.