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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
ownership and reliability
I've done some reading about this issue, which is kind of interesting. First, in this system's architecture, comments (or replies to forum topics) are attached to existing nodes (a blog posting, a forum topic). The ownership of your comment/reply then is actually not your's but the person who started the thread. And you can't delete what someone else owns.
The second interesting bit is that it might be more intellectually honest to prohibit editing and deleting comments which are part of a wider discussion. Suppose you wrote something, and then someone replied to what you wrote. Is it then reliable and honest for the system to allow you to edit your original comments? when someone else's thoughts were based on what you originally wrote?
Just some food for thought. I periodically spring clean and delete empty/near empty posts so don't worry about extraneous stuff around.
Ann