Question

According to the USGS, how much total copper was contained in world reserves as of 2018?(1 point) Responses 5 million tons 5 million tons 45 million tons 45 million tons 300 million tons 300 million tons 790 millions tons 790 millions tons Question 4 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. (1 point) 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. Proposal 1 will have a Response area impact on the environment. It will have a Response area impact on the sustainability of the metal resource. Proposal 2 will have a Response area impact on the environment. It will have a Response area impact on the sustainability of the metal.

Answer 1

According to the USGS, as of 2018, the total amount of copper contained in world reserves was **300 million tons**.

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.