Answer: C. Turning food scraps into compost for plants.
Explanation:
A renewable resource is the one which can be resued once used. On earth the renewable resources are abundantly available like sunlight, water, and air. Recycling of renewable resource can be define as the reuse of resource or conversion of resource into another form so that it can be used again.
A food trash can be coverted into a compost which can be a valuable recycling product useful for the growth of the plants.