Draw the resulting waveform that occurs when the two pulses below interfere

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Which is an example of an exothermic process?

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext