1. Which option would save the most natural resources while providing water for a person?
A. reusing plastic water bottles several times and always recycling them
B. drinking bottled water that comes from 100% natural sources
C. using a reusable water bottle and drinking filtered tap water
D. using disposable plastic containers once each
2. Why is it a problem that plastics are not biodegradable, when other materials like metals are also not biodegradable?
A. Plastics have been chemically altered from natural resources and cannot be restored.
B. Metals can be broken down by corrosion.
C. Metals can at least be recycled and used more than once.
D. Plastics are more of a problem because they float in water, but metals sink.