which of the following is an endothermic source of energy?\n○ melting ice cube\n○ nuclear fusion\n○ burning…

which of the following is an endothermic source of energy?\n○ melting ice cube\n○ nuclear fusion\n○ burning sugar\n○ all of the above
Answer
Brief Explanations:
An endothermic process absorbs heat. Melting an ice - cube requires heat input to change the state from solid to liquid. Nuclear fusion and burning sugar are exothermic processes that release energy.
Answer:
Melting ice cube