Can someone me with a question on my a car's horn sounds different as the car approaches. the change in pitch is due to
i am pretty sure the answer is the doppler effect, but i just wanted to check if i was right? the other answer choices are electromagnetism, the absorption of sound, the creation of a vacuum.

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons

Hcn is your answer my guy : )