2. What's the difference between Judo and BJJ?
The techniques are the same. The gi is similar.*
I dont agree, of course most movements u find in BJJ u can find in Judo, after all both are Grappling and BJJ has its roots on Judo, but still there are techniques u only will do in BJJ, eg pull to the guard is typical BJJ move, berimbolo, guards like X, 50/50, de la riva, inverse de la riva... saying its the same techniques is kind like to say Boxing and Muay Thai has the same technique. We know both fights has uper cuts, hooks, etc... but muay thai has lot more than this.