Final answer:
Oil is the non-renewable resource among the options listed, as it cannot be replenished on a human timescale. In contrast, biomass, hydro power, and solar are renewable resources, as they are continuously available or can be quickly replenished.
Step-by-step explanation:
Among the resources listed, oil is the one that cannot be renewed. Oil is a non-renewable energy source, which means it cannot be replaced or replenished on a human timescale. This is because it takes millions of years for fossil fuels like oil to form naturally. On the other hand, biomass, hydro power, and solar energy are all renewable resources. They are either continuously available like solar energy, which is considered to have an 'unlimited' supply thanks to the constant output of the sun, or they can be replenished quickly relative to the human timescale like biomass and hydro power.