Answer:
wind is the correct answer.
Step-by-step explanation:
wind is a renewable energy resource whereas coal, petroleum and natural gas are non renewable energy resources.
Renewable resources are those resources that can be replaced naturally that why it is unlimited in supply and it can be used regularly whereas nonrenewable resources are those which cannot be replaced by natural means, cannot be replenished and they are limited in supply
Wind is an example of renewable energy resources because they are unlimited and it can be replaced naturally.