4 is sound energy and electrical 5 is nuclear energy 5 is mechanical
Your skin is a tougher substance
Answer:
There is spoilage microbes growing on the food, such as bacteria, yeasts, and mold. The odor can either come from the chemicals that are released from the food as the microbes decompose it down, or the chemicals are produced by the microbes themselves.
Answer:
electron in physics , and Element in chemistry.