Which sound characteristic is not affected by the relative motion of an object

Quality is one of the characteristic of the sound which is not affected by the relative motion of an object.

Explanation: There are three characteristics of the sound which are pitch, loudness and quality.

Pitch depends on the frequency of the sound. The frequency varies in the case of the relative motion of the object.

Loudness depends on the amplitudes of the vibration. The amplitude also varies in the case of the relative motion of the object.

Quality is described by the word timber. The different sounds are produced by different sources. Therefore, It is not affected by the relative motion of the object.

the answer is intensity on gradpoint

Explanation:

sleep paralysis is a parasomnia, events associated with sleep.

sleep paralysis happens when you are in the middle of waking up or falling asleep. it is the feeling of being conscious but unable to move. it definitely involves hallucinations.

i had a friend that had sleep paralysis and he told me a story one time where he was laying in bed and he couldn't move his body no matter how hard he tried and there was someone standing in the corner of his room coming towards him. he couldn't move and you can't "wake up" because you are already conscious. sometimes sleep paralysis can be triggered by frequent waking up during the night based off of multiple trips to the bathroom, or if you had ever been abused, sleep paralysis can start happening from things like that.

the answer is a. at the equator