Why are nonrenewable resources used even when renewable resources might be available?
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Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Which describes increasing the efficiency of energy resource

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.