The substance produced inside the leaf disks that caused them to float to the surface of the solution is
(1)ozone
(2)water
(3)oxygen
(4)nitrogen

I think the correct answer from the choices listed above is option 3. The substance produced inside the leaf disks that caused them to float to the surface of the solution is oxygen. As oxygen is produced by photosynthesis, the disks will turn up on edge or even rise back up to the surface.

There are no negative consequences to using nuclear energy.  false. how is the   the hydrogen bomb relies on the process of nuclear fission. true.