It adds an extra flow of air to their lungs. An in-directional flow of air.
I hope this helps ;)
Answer:
Historians have identified several key causes, including: rats, trade networks such as the Silk Road, warfare such as the crusades, poor hygiene and a lack of medical understanding.
Explanation:
Japan's affect on world war one was when the united states bombed there two cities Hiroshima and nagasaki this was because the united states cut off trading woth them because japan became an imperialist country
Open Door policy, statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and in support of Chinese territorial and administrative integrity.Sep 12, 2018
<span>Pericles was arguably the most prominent and influential Greek statesman, orator and general of Athens during the Golden Age— specifically the time between the Persian and Peloponnesian wars. He was descended, through his mother, from the powerful and historically influential Alcmaeonid family.</span>
<span>Hope I helped. :) </span>
