D. Long-answer questions
1. Write about renewable and non-renewable natural
resources briefly with appropriate examples.
2. With the help of an example, explain how renewable
natural resources have depleted. Also suggest what
can be done to overcome this problem.
3. Explain, why it is important to use natural resources
wisely. Also describe, how natural resources can be
used wisely and conserved.
4. How can you say that the scope of the term,
resources is widened to include human resources
as well? Explain.
5. Give three reasons why demand for the world's
resources is increasing.
Answers
Answer:
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Explanation:
Resource depletion is the consumption of a resource faster than it can be replenished. Natural resources are commonly divided between renewable resources and non-renewable resources (see also mineral resource classification). Use of either of these forms of resources beyond their rate of replacement is considered to be resource depletion.[1] The value of a resource is a direct result of its availability in nature and the cost of extracting the resource, the more a resource is depleted the more the value of the resource increases.[2] There are several types of resource depletion, the most known being: Aquifer depletion, deforestation, mining for fossil fuels and minerals, pollution or contamination of resources, slash-and-burn agricultural practices, Soil erosion, and overconsumption, excessive or unnecessary use of resources.
Resource depletion is most commonly used in reference to farming, fishing, mining, water usage, and consumption of fossil fuels.[2] Depletion of wildlife populations is called defaunation.[3]
renewable resource is a natural resource which will replenish to replace the portion depleted by usage and consumption, either through natural reproduction or other recurring processes in a finite amount of time in a human time scale. Renewable resources are a part of Earth's natural environment and the largest components of its ecosphere. A positive life cycle assessment is a key indicator of a resource's sustainability.
Definitions of renewable resources may also include agricultural production, as in sustainable agriculture and to an extent water resources.[1] In 1962, Paul Alfred Weiss defined renewable resources as: "The total range of living organisms providing man with life, fibres, etc...".[2] Another type of renewable resources is renewable energy resources. Common sources of renewable energy include solar, geothermal and wind power, which are all categorised as renewable resources.