Which redox reaction would most likely occur if zinc and copper metal were added to a solution that contained zinc and copper ions?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.