URL
3b. YouTube: How would you set about to measure the earth? 2 min 15 sec
Completion requirements
Further explanation in simpler terms.
If you cannot view the video in YouTube, please email iCollaboratory@gmail.com and the iCollaboratory Team will send you the video.
Click https://www.youtube.com/watch?v=8On7yCU1EjQ link to open resource.