increase resource availability. improve existing products. deplete available resources. cause environmental degradation.
I gave my students this multiple choice question: Researchers at a science laboratory have found ways to make carbon nanotubes from recycled plastic grocery bags. These nanotubes are then used as components of batteries. This approach best illustrates the ability of technology to

Only one answer is correct among these 4 choices:
- increase resource availability.
- improve existing products.
- deplete available resources.
- cause environmental degradation.

Could you tell me which one is correct?

increase resource availability.