Fault the wrong conservation measures

Exercise and reference answers

Questions

1. Question

   Three of these would not reduce the depletion of mineral resources.

   Choices

   1. Item

      Recycling metals already extracted

      Correct

      Yes

   2. Explanation

      more mines raise the extraction rate

      Item

      Opening more mines in new regions

   3. Explanation

      this speeds extraction without adding value

      Item

      Exporting raw ore unprocessed

   4. Explanation

      coal is itself a depleting resource

      Item

      Burning more coal for smelting

Instructions

Three of these would not reduce mineral depletion. Fault each one.