This submarine's camera is at -1 unit. To take a picture of the fish, the camera needs to get to
0 units.
Adding 1 float makes the sub float 1 unit higher.
Adding 1 anchor makes the sub float 1 unit lower.
Select each possibility below and press "Submit" to see
how each one affects the sub and the photo.
Add 1 float
Add 1 anchor.
Add 1 float and 1 anchor.