The law of the conservation of mass must be obeyed in a chemical reaction. what do the atoms do during a reaction that shows they obey the conservation of mass?
a. they change into other atoms.
b. they are formed.
c. they are destroyed.
d. they rearrange.

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?