Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
Nonrenewable resources exist in fixed amounts. They can be used up. Examples include fossil fuels such as coal.


Question: Fossil fuels and coal are examples of what kind of resources?
nonrenewable
Nonrenewable resources.