1. Why is bauxite the most common ore that aluminum is extracted from? Select the two correct answers.(1 point)

Question

Responses

It is the most abundant ore of aluminum.
It is the most abundant ore of aluminum.

It contains pure alumimum metal.
It contains pure alumimum metal.

It is located near the surface and can be easily strip mined.
It is located near the surface and can be easily strip mined.

It can be refined in a single step.
It can be refined in a single step.

It is also used in jewelry as a gem.
2. Drag the appropriate terms into the table to answer the questions. Each term may be used more than once.(2 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
also known as aluminum oxide
white powder produced from the refinement of bauxite
a good conductor of electricity
an electrical insulator
a silvery white solid
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Alumina or alumina metal
According to the USGS, how much total copper was contained in world reserves as of 2018?(1 point)
Responses

300 million tons
300 million tons

45 million tons
45 million tons

790 millions tons
790 millions tons

5 million tons
5 million tons
Select the correct answer from the list.(2 points)
A state is looking to adopt new management protocols for a metal resource within its borders. Two proposals are being considered. Determine whether each proposal will have a positive or negative impact on the environment and sustainability of the metal resource.

Proposal 1: Offer free recycling services for the metal.
Proposal 2: Burn waste and recover the metal from the ash.
Proposal 1 will have a
Select Answer
impact on the environment. It will have a
Select Answer
impact on the sustainability of the metal resource.

Proposal 2 will have a
Select Answer
impact on the environment. It will have a
Select Answer
impact on the sustainability of the metal resource.
Postive or negative

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Answer 1

1. The two correct answers for why bauxite is the most common ore that aluminum is extracted from are:

• It is the most abundant ore of aluminum.
• It is located near the surface and can be easily strip mined.

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2. For the table regarding terms, you can categorize the responses as follows:

| Term | Description | |---------------------------------|--------------------------------------------------| | Alumina or alumina metal | also known as aluminum oxide | | White powder produced from the refinement of bauxite | white powder produced from the refinement of bauxite | | A good conductor of electricity | a good conductor of electricity | | An electrical insulator | an electrical insulator | | A silvery white solid | a silvery white solid |

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3. According to the USGS, as of 2018, the total copper contained in world reserves was:

• 790 million tons

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4. For the proposals regarding management protocols for a metal resource:

Proposal 1: Offer free recycling services for the metal.

• Proposal 1 will have a positive impact on the environment. It will have a positive impact on the sustainability of the metal resource.

Proposal 2: Burn waste and recover the metal from the ash.

• Proposal 2 will have a negative impact on the environment. It will have a negative impact on the sustainability of the metal resource.