6th Grade – Flashcard
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how come soil can be considered an abiotic and biotic factor
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its and abiotic factor because its mostly made up of nonliving material however soil contains decaying organism organic matter as known as humus.
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Energy conservation
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Reducing energy use.
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Efficiency
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The percentage of energy that is actually used to perform work.
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Insulation
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One method of increasing the efficiency of heating and cooling systems from the outside and Inside.
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Engineers
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Improved the efficient in tires by using lighter material .
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Avoid fuel shortage 1
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Find new sources of energy
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Avoid fuel shortage 2
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Make fuels available now last as long as possible while other solutions are being developed
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Energy not used
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Lost to surroundings
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Example when energy is lost
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Incandescent light bulb converts only about 10% of the electricity it uses into light. Rest is given off as heat
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Reduce personal energy use
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Instead of turning up the heat, put on a sweater. Use fans instead of air conditioners
