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 The heat produced per unit mass of a substance burned in ox…

 The heat produced per unit mass of a substance burned in oxygen, used to determine the heat value of fuels and foods is

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 Weight and mass

 Weight and mass

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Radiant energy by way of a photovoltaic cell yields ______ e…

Radiant energy by way of a photovoltaic cell yields ______ energy.

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 Convert

 Convert

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 Thermal energy by way of an internal combustion engine yiel…

 Thermal energy by way of an internal combustion engine yields ______ energy.

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 An unproved assumption used to explain certain facts is

 An unproved assumption used to explain certain facts is

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 The superposition of waves, producing regions of reinforcem…

 The superposition of waves, producing regions of reinforcement or regions of cancellation is called

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 In the equation  represents

 In the equation  represents

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“You can’t break even” refers to the

“You can’t break even” refers to the

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 Sunspots appear dark because they are:

 Sunspots appear dark because they are:

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