Given the two half-reactions. what must be done in the next step before the reaction can be balanced?
au → au
show the number of electrons being lost or gained
make sure that the charges are balanced
list the atoms that need to be balanced

the correct option is option a

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.