B. Producing hook-and-loop tape is not an example of research in the field of energy.
“A. developing rechargeable batteries” is research involving electrical energy.
“C. Determining the usefulness of oil from soybean plants” is incorrect. Soybean oil might be used as a fuel to provide heat (energy)
“D. studying the effects of insulation” involves retaining the heat (energy) inside a structure.
