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

 A disturbance that is propagated through a medium is called a

 Which of the following is “not” a scalar?

 Products and processes of science promote

 An unproved assumption used to explain certain facts is

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

“You can’t break even” refers to the

 Weight and mass

 Mechanical energy by way of an electric generator yields _____ energy.

 An increase in pressure on the surface of a liquid causes the boiling point to