How can a galvanic cell become an electrlytic cell?

What type of tectonic plate boundary is found in the vicinity of Nyiragongo? What in VSEPR theory? Which common rock is formed from solidification of molten material? How are the bases in nucleic acids like the letters in the alphabet? Why is a chemistry laboratory flammable materials are stored in a metal cabinet? What phase of matter is the rarest in the solar system? What is the sign of delta g for a spontaneous process? What is the biggest country in west? What kind of reaction is also commonly called 'burning'? What part of the flower uses sunlight carbon dioxide water and green chlorophyll to make food? What is an event that changes a community by removing organisms from it or by altering the ability of resources? What is Galileo's Diagramma Veritas? Will mother with blood group A Rh negative always have just babies of same gender? What Besides deltas and placer deposits what else is a result of stream deposits? Are Mitochondria most similar to lysosomes? What is longuitudinal axis? What is the flammability of a substance? What is cosmic cycle? What time do you change your clocks back one hour? Is it true that Democritus proposed that atoms are held together by chemical bonds and no one believed him?