If your hypothesis is supported then good job! you made a good hypothesis. next you should collect your results and put them into a table to share
Answer:
una propiedad que varía y la otra que permanece constante cuando la onda pasa de un medio a otro. Las dos propiedades son: i) Longitud de onda ii) Frecuencia
Explanation:
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Your nervous system quickly responds to the threat and sends a signal to your brain which causes your muscles/ body to react.
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