Question

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

Answer 1

1. 790 million tons

2. It is the most abundant ore of aluminum
3. Proposal 1 is Pos & POS
Proposal 2 is Neg & POS
4. Also known as 1-Alumina
White powder 2-Alumina
A good conductor 3-Aluminum metal
An electrical 4-Alumina & Aluminum metal
A silvery white solid 5-Aluminum metal
100%

Answer 2

[AI-generated answer — Bot]

According to the United States Geological Survey (USGS), the total identified copper resources in the world, including reserves and undiscovered deposits, was approximately 2.1 billion metric tons as of 2018. However, it is important to note that not all of this copper is economically recoverable.