Natural resources serve as the foundation for all that we use to satisfy our Natural resource needs and wants of life. Natural resources are the resources that occur naturally; they are not man-made.
Natural resources like air, water and sunshine are renewable by nature. When air is used by us for breathing, it does not diminish in volume. The oxygen in the air that we breathe is vital to keep us alive. Plants use up carbon dioxide from the air for the process of photosynthesis to occur in them, and give out oxygen.
Water is also needed for life on Earth. Man needs water for drinking. Similarly, sunshine is available freely. Using up sunshine does not decrease its availability.
Resources like coal are used by man to generate electricity. While coal is a natural Natural resource resource, electricity is man-made. Coal is, however, a non-renewable resource. When it is used up, its availability decreases.
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