What the equation when calcium reacts with cold water

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.

In which of these cases are the two wave points considered to be in phase with each other?

What three natural resources are found in the great lakes region