¿por qué por algunos aparatos con mayor potencia se paga mensualmente menos por su consumo, que por algunos de menor potencia?

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

Blank liquids and gases exert a buoyant force on objects placed in them

What is the frequency if a wave that pases a given pount 22 times in 2 seconds