Answer:
The execution of King Charles I was so historic because an English king had never been executed before.
Explanation:
I looked up the history of King Charles I
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.
Answer:
Get better at math yourself kid
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