Other forms: natural resources
What do sunlight, water, limestone, and bamboo have in common? They're all natural resources, or useful materials that exist in the environment.
Any resource that exists in the natural world — like wood from trees, edible plants found in the forest, or freshwater from a stream — is a natural resource. Some resources, like sunlight, are renewable resources, meaning that they can't be used up. Others, like fossil fuels and deposits of precious metals found in ores, are nonrenewable, meaning that they will one day be used up and can't be replenished.
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