question: What sentence would provide a factual answer to this question: "I need electrical energy to"

answer: a light bulb requires electrical energy to produce light

question: What sentence would provide a factual answer to this question: "which one of these students can accurately determine the color of the board marker?"

answer: the color of an object can be discovered by looking at that object

question: What sentence would provide a factual answer to this question: "Recycling happens"

answer:
An example of recycling is using an object to make a new object