Metal Resources Quick Check

Drag the appropriate terms into the table to answer the questions. Each term may be used more than once.

-Also known as aluminum oxide: alumina -White powder produced from the refinement of bauxite: alumina -A good conductor of electricity: aluminum metal -An electrical insulator: alumina -A silvery-white solid: aluminum metal

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

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

Select the correct answer from the list. 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 1._____ impact on the environment. It will have a 2.______ impact on the sustainability of the metal resource. Proposal 2 will have a 3.______ impact on the environment. It will have a 4._______ impact on the sustainability of the metal resource.

1. Positive 2. Positive 3. Negative 4. Positive

According to the USGS, how much total copper was contained in world reserves as of 2018?

790 millions tons