At what time is a moment of silence held on this day? why was that time chosen?

8:46

Explanation:

This marks the time that the first plane flew into the World Trade Center.

pretty sure a is right

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.