Here's a problem to solve: The Humboldt River Basin is one of the most important sources of several nonrenewable resources. Which of these nonrenewable resources is produced from the Humboldt River Basin?

Among the 4 following options, which is the correct answer?

- A: coal from mountain deposits
 
- B: oil and gas from underground reservoirs
 
- C: electric energy from hydroelectric generators
 
- D: minerals from mining gold, silver, and copper
 