An extrachromosomal piece of dna found in prokaryotes is called

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

This is so important ugh its 25 points

When plants use sunlight to make food, the energy of sunlight is