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9. how have plastics affected natural resources by replacing some metal…

Question

  1. how have plastics affected natural resources by replacing some metal parts in cars? a. plastics recycle easier so are able to reduce the use of natural resources. b. plastics use shifts natural resource use from mining lands to drilling for oil. c. fewer natural resources are affected by the use of plastics, compared with metal. d. plastics use renewable natural resources, compared with nonrenewable resources for metals.

Explanation:

Brief Explanations
  • Metals are obtained from mining (a non - renewable resource in terms of the rate at which they are replenished on a human timescale).
  • Plastics are made from petroleum (oil), which is also a non - renewable resource, but the shift is from mining (for metals) to drilling for oil (for plastics).
  • Option A: Plastics are not necessarily easier to recycle than metals in all cases.
  • Option C: Plastics still use non - renewable natural resources (oil), so it's not that fewer natural resources are affected.
  • Option D: Plastics are made from non - renewable oil resources.

Answer:

B. Plastics use shifts natural resource use from mining lands to drilling for oil.