What particle flows to produce electric current

a. nuclei
b. protons
c. electrons
d. ohms

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Anybody wanna ? (picture included? )

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?