Porque es importante hacer un calculo de impurezas antes de la reaccion

Compare these two waves : a. the blue wave has a higher pitch, but the orange wave is louder. b. the blue and orange waves have the same volume, but the blue wave has a higher pitch. c. the blue and orange waves have the same pitch, but the blue wave is louder. d. the orange wave has a higher pitch, but the blue wave is louder.

One does not belong why? ice, gold ,wood ,diamond and table salt

Using data from seismic waves, geologists have learned that earth’s interior is made up of several