What is the difference between copy and duplicate?

I've got a repeated assignment.  Students can see their submissions from the previous week.  Does this have to do with how I copied or duplicated the assignment?  What is the differenc...

Zoom Meetings

How can I import a Zoom meeting using the meeting ID into more than one course?  I am trying to use the import meeting feature for a class split between two grade levels.  When I input the ...