Natural Resources — Flashcards

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Natural resources are things we get from nature and use for life and development, such as air, water, soil, minerals, fuels, plants, and animals. They support food, shelter, transport, and health.

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Conservation is necessary because many resources are limited, misused, or polluted. Careful use helps them last longer for present and future generations and protects living organisms and habitats.

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A renewable resource is one that can be replaced naturally after use. Water is a renewable resource, but it can still become scarce if it is over-exploited.

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A non-renewable resource cannot be replaced quickly after use. Fossil fuels such as coal, petroleum, and natural gas are non-renewable because they take a very long time to form.

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Sustainable development means using natural resources in a way that meets present needs without damaging the environment or reducing resources for the future.

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The four R’s are Reduce, Reuse, Recycle, and Recover. Reduce means using less, Reuse means using items again, Recycle means converting waste into new products, and Recover means restoring resources su…

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Water is renewed through the water cycle, so it is renewable. But excessive use, poor management, and groundwater depletion can make it scarce in a region.

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Water scarcity means a situation in which water supply becomes too low for the needs of people. Water becomes scarce when annual water supply drops below 1700 m³ per person.