Bridges may only be placed over troubled water, so you may not place bridges over other water squares.
Any additional movement counts toward destroying the goo, but nothing more.
Any players with robots in range of the Srambler Bomb when it goes off should discard their hands and program randomly for the entire turn. It's fairly tough to get hit by your own missile, though, unless you are both unlucky and careless. Water only affects movement cards , not movement effects . Water only affects movement cards , not movement effects . You could, for example, drop a mine on the first register phase, drop a goo counter on the second register phase, drop another goo counter the third register phase, then drop another mine the fifth register phase.