The mining of which resource produces the most toxic waste?
Tin
Silica
Copper**
Quartz
I think it’s C can someone please double check
5 answers
I agree
.___.
I just took the practice test and the answer was indeed copper
I took the test just now and copper is correct 💯
Rocks and Minerals Unit Review Practice(100%)
Q) The mining of which resource produces the most toxic waste?
- copper
Q) An unknown mineral breaks along smooth planes when hit with a hammer. Which mineral property does this show?
- cleavage
Q) Which of the following is a soft metal and the lightest element that is a solid at standard temperature and pressure?
- lithium
Q) Why has demand for rare earth minerals increased in recent years?
- They are used in a growing number of electronics
Q) Drag each ore to the metal it produces. Answers may be used more than once.
- aluminum: bauxite, corundum
- copper: chalocopyrite
- tin: cassiterite
Q) In what type of mine would a rock burst most likely happen?
- a large longwall mine
Q) A mining company's reclamation plan is not permitted because there is no evidence that funding has been secured to repurpose the land in the manner proposed. What issue related to land reclamation is this an example of?
- cost issue
Q) Why have most companies started to extract lithium from brine water rather than mineral ore?
- the process is less expensive
Q) Which are the best solutions for reducing the mine production of copper and conserving copper ore? Select the two correct answers.
- use aluminum as a substitue
- recycle electronic waste
Q) Which statement is true about environmental risks of underground mining?
- underground mining increases risk of land collapse and sinkholes
Q) What step will be most effective for a manufacturer that wants to reduce the human costs of extracting the minerals it uses in its smartphones?
- verifying that child labor was not used in mining these minerals
Q) The mining of which resource produces the most toxic waste?
- copper
Q) An unknown mineral breaks along smooth planes when hit with a hammer. Which mineral property does this show?
- cleavage
Q) Which of the following is a soft metal and the lightest element that is a solid at standard temperature and pressure?
- lithium
Q) Why has demand for rare earth minerals increased in recent years?
- They are used in a growing number of electronics
Q) Drag each ore to the metal it produces. Answers may be used more than once.
- aluminum: bauxite, corundum
- copper: chalocopyrite
- tin: cassiterite
Q) In what type of mine would a rock burst most likely happen?
- a large longwall mine
Q) A mining company's reclamation plan is not permitted because there is no evidence that funding has been secured to repurpose the land in the manner proposed. What issue related to land reclamation is this an example of?
- cost issue
Q) Why have most companies started to extract lithium from brine water rather than mineral ore?
- the process is less expensive
Q) Which are the best solutions for reducing the mine production of copper and conserving copper ore? Select the two correct answers.
- use aluminum as a substitue
- recycle electronic waste
Q) Which statement is true about environmental risks of underground mining?
- underground mining increases risk of land collapse and sinkholes
Q) What step will be most effective for a manufacturer that wants to reduce the human costs of extracting the minerals it uses in its smartphones?
- verifying that child labor was not used in mining these minerals
1 answer