According to the USGS, how much total copper was contained in world reserves as of 2018?
1. 790 millions tons
2. 45 million tons
3. 5 million tons
4. 300 million tons
According to the USGS, the answer is 1. 790 million tons.
To find the answer to this question, we need to search for the official data from the United States Geological Survey (USGS) on the total copper reserves worldwide in 2018. Follow these steps to get the answer:
1. Open a web browser and go to the official website of the USGS (https://www.usgs.gov/).
2. On their website, find the search bar or search function.
3. Type in "copper reserves worldwide 2018" or a similar query.
4. Look for the search results that provide information on copper reserves worldwide in 2018.
5. Click on the relevant link that leads to the official USGS report or publication.
6. Once you have accessed the report, look for the section that provides the data on copper reserves.
7. Scan the report for the specific figure related to the total copper reserves in 2018.
8. Once you have located the data, you can identify the accurate answer to your question.
Please note that the actual figure may vary depending on the source and the timeframe used for the data analysis. Make sure to refer to the most recent and reliable information available on the USGS website or other trusted sources.