Which of the following could be considered both a renewable resource and a nonrenewable resource?

iron ore

sea water

solar energy

wheat crop

Answer: wheat crop

Explanation:

A renewable resource is the one which can be reused after a single use whereas the non-renewable resource is the one which cannot be used again, once used.

The wheat crop can be considered both a renewable resource and a nonrenewable resource as this can be cut during harvesting and can be used as a source of food but some seeds can be taken to regrow it. On harvesting it becomes non-renewable resource and reuse of seeds can make it a renewable resource.