Here's a problem to solve: In 2003, Maryland power plants produced 56% of the electricity used in the state by burning coal and 5% of the electricity using hydropower. Which of the following statements best describes coal and water as resources?

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

- A: Both are renewable.
 
- B: Both are nonrenewable.
 
- C: Coal is nonrenewable; water is renewable.
 
- D: Coal is renewable; water is nonrenewable.
 