What properties characteristics we use to tell the difference between of matter

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Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.