Final answer:
The action that contributes to sustainable resources is judicious use of resources and recycling, as it ensures efficient use and minimizes waste without harming future generations' needs.
Step-by-step explanation:
Among the given options, C. Judicious use of resources and recycling is the action that will contribute to sustainable resources. Sustainable resource use involves managing resources in a way that meets current needs without compromising the ability of future generations to meet their needs. This includes using resources efficiently, minimizing waste, and recycling materials. Extensive use of natural ecosystems for farming often leads to loss of biodiversity and degradation of ecosystems. Rapid urbanization can lead to habitat destruction and increased pollution. Therefore, judicious use and recycling represent the most sustainable practices.