For living :) Oxygen is used to breathe from your lungs silly ;)
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Answer:
The United States is the most populated country on the continent, followed by Mexico and Canada.
Explanation:
In the year 2020, the United States has an estimated population of 331,002,651, followed by Mexico (127,575,529) and Canada (37,742,154).
Hey you! Here's your answer:
Blank = Warren.
The Supreme Court entered its most active period with the arrival of cheif justice Warren.
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