1. What does it mean when a mineral is economically depleted? When a mineral rea

Question

1. What does it mean when a mineral is economically depleted? When a mineral reaches that point, what are two choices we have?

2. In some cases alternatives to nonrenewable mineral resources have been developed. Name one of these alternatives and the mineral or minerals that can be replaced.

3. Explain the concept of net-energy yield. Why is it important to evaluate the net-energy yield of an energy resource?

4. Give two advantages and two disadvantages of nuclear energy. Do you think the benefits of nuclear power outweigh the costs or vice versa?

5.Explain why energy efficiency can be considered an energy resource. Give three examples of how energy could be used more efficiently.

Explanation / Answer

1) The economic depletion of a mineral is the condition in which it becomes scare due to factors like inflation and then the use of these minerals reduced. There are many ways for minerals reaches this point-

a) A substitute of mineral should be used

b) There should recycling of economically depleted mineral.

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