Respuesta :

White noise has sound at every frequency within the range of human hearing

Answer:

Explanation:

Noise which falls under human hearing range means from 20 Hz to 20,000 hz has sound at every frequency. The audible range from human is 20-20,000 hz so every noise within this range is audible to humans. Some animals such as whale, dolphin, bat communicate( to get their prey) beyond this range.