2. If you change the value of the battery voltage: a. How does the current through the circuit change? (answer, explain, evidence)
b. How does the resistance of the resistor change? (answer, explain, evidence)

Look it up you feel me

Ibelieve the answer is arteries

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.

I’m not sure about this question