1) Firewood burning a) Chemical b) Electrical 2) Charging a cell phone a) Chemical b) Electrical 3) A computer plugged into an outlet a) Chemical b) Electrical 4) A car engine running on gasoline a) Chemical b) Electrical 5) From a light switch to a light blub a) Chemical b) Electrical 6) Humans eating and digesting food a) Chemical b) Electrical 7) An appliance plugged into an outlet a) Chemical b) Electrical 8) A flashlight running on batteries a) Chemical b) Electrical 9) Campfire a) Chemical b) Electrical

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