Answer:
C
technically B too but youre teachers not that smart so there you go
Yes. sound waves are produced by energy.
Uhhhhhhhhh just tryna get a point so I can ask a question so eh I’m using ur question heheheheheh
The answer is:
d) the sound originates from a vibration.
The explanation:
The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. As the source continues to vibrate the medium, the vibrations propagate away from the source at the speed of sound, thus forming the sound wave.
Answer:
an astronomer studies planets, stars, moons, etc, or objects that are outside the field of Earth.
