George washington was selected to preside over which of the events on the timeline?

1775: The newly formed Congress appointed George Washington to be the commander of the Continental Army. Washington held this position for the entirety of the American Revolution, totaling eight years.

Explanation:

answer; primary source information;

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clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

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