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E.Q.: What is the difference between a renewable resource and a nonrenewable resource?. I. Resources All organisms on Earth, including humans, use resources provided by the environment. Earth supplies a variety of natural resources that living things use, change, and reuse.

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E.Q.: What is the difference between a renewable resource and a nonrenewable resource?


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    1. E.Q.: What is the difference between a renewable resource and a nonrenewable resource?

    2. I. Resources • All organisms on Earth, including humans, use resources provided by the environment. • Earth supplies a variety of natural resources that living things use, change, and reuse. • A natural resource is a material that comes from the Earth and is used by living things. • Natural resources that can be replaced and reused by nature are called renewable resources. • Natural resources that can not be replaced by nature are called nonrenewable resources. • RenewableResources • Renewable resources are replaced through natural processes at a rate that is equal to or greater than the rate at which they are being used. 6 Types of Renewable resources 1.Air: air can be cleaned and purified by plants through the process of photosynthesis as they remove carbon dioxide from the air and replace it with oxygen.

    3. 2.Water: the water cycle allows the Earth’s water to be used over and over again. 3.Topsoil: topsoil is formed to replace soil that has been carried away by wind and water (although new soil forms very slowly). 4.Trees: trees and other new plants grow to replace those that have been cut down or have died. 5.Animals: animals are born to replace animals that have died. 6.Sunlight: sunlight or solar energy is considered a renewable resource because it will be available for billions of years. It provides a source of energy for all processes on Earth. B. Nonrenewable resources • Nonrenewable resources are exhaustible because they are being extracted and used at a much faster rate than the rate at which they were formed. • Ex: Fossil fuels (coal, oil, natural gas), diamonds, metals, and other minerals are nonrenewable. • Nonrenewable resources exist in a fixed amount and can only be replaced by processes that take millions of years.

    4. C. Issues with Natural Resources • Natural resources can be depleted, or used to a point that they are no longer available. • Conservation measures are necessary for nonrenewable resources because they are known to be in a non-replenishing supply. • Even though renewable resources can be replaced/reused, if they are used faster than they can be replaced, they can also become depleted. • Soil that is lost because it is left bare of vegetation and allowed to erode depletes the land of the fertile topsoil needed for plant growth in that area. • Depletion of freshwater in an area caused by increased demand by the population living there, by wasteful use of the water, or by pollution, can result in water not being available in needed quantities or being unfit for natural use. • Depletion of a living resource, such as trees being removed without being replanted, can contribute to environmental changes in the land, air, and water in that area. • As the number of people on Earth increase, the need for natural resources increases; therefore, it is necessary for people to reduce, reuse, and recycle to prevent the depletion of these natural resources.

    5. D. Ways to conserve natural resources • Reducing-involves making a decision to not use a resource when there is an alternative, such as walking or riding a bicycle rather than traveling in a car. 2.Reusing-involves finding a way to use a resource (or product from a resource) again without changing it or reprocessing it, such as washing a drinking glass rather than throwing away plastic or styrofoam. 3.Recycling-involves reprocessing a resource (or product from a resource) so that the materials can be used again as another item, such as metals, glass or plastics being remade into new metals or glass products or into fibers. 4.Protecting-involves preventing the loss of a resource, usually living things, by managing their environment to increase the chances of survival, such as providing wildlife reserves for endangered animals.