ESS 4.3 - Reclamation and Sustainability

What is reclamation?

• returning land to its original or better condition when finished mining

• depleting a mine of all its metal resources

• making a profit form mining

• turning a mine into an area for a landfill

What are steps that can be used in the reclamation process?

• fill in holes and grade hills

• bring in native soil

• seed area with native plans

• collapse mine walls

• blasting holes to make room for machines

According to U.S. law, a mine region ______________.

• must be restored to its natural state

• may be left as it is when the mining is completed

• may be capped and left alone

• may be abandoned

Sustainable energy sources can include _________>

• sun

• geothermal

• wind

• fossil fuels

• nuclear energy

Using products and services in a way that minimized environmental impact so that human needs can be met indefinitely is called _________________.

• reclamation

• sustainability

• depletion

• hazardous

Which of the following can stress the environments ability to provide needed resources?

• population growth

• advanced technology

• development of renewable energy

• increasing recycling practices

Which of the following can help us reach the goal of sustainability?

• produce less waste

• produce less pollution

• use renewable energy sources

• consume fewer resources

• none of these

Which of the following would be considered sustainable practices?

• recycling plastics and metal

• reusing the same item more than once

• reducing our energy consumption

• composting waste to use as a fertilizer

What is one way to reduce our need for mining resources?

• recycle

• reclamation

• open-pit mining

• placer mining