Firstly, water is a basic neccesity of life for all organisms.
Where there are waterfalls there will also be sourrounding vegetation and a wide range of biodiverse communities.
It would be extremely helpful for animals to be able to detect waterfalls as they would know were a constant source of water is.
Herbivores would find vegetation
Carnivores/onmivores would find prey as other animals would congregate there
Animals would find mates for breeding
These are all essencial for healthy ecosystems
Because most animals communicate with infrasound so by using the infrasound detector you can detect the sound to the animal
infrasound is more useful than sound for detecting volcanic eruptions because it traves a lot further than sound and is hear km away
detecting leakages in pipes
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Infrasound has a longer wavelength.
It's a useful instrument for detecting weather. It measures air pressure.
A proximity sensor is used for detecting close objects by emitting an electromagnetic field. These are useful for detecting objects without touching them.
A PET scan would be most useful for detecting brain areas that are most active as a person performs mathematical calculations.
though curiously, our brains do contain magnetite, the mineral thought to aid other animals' brains in detecting the field.)
Humans are able to hear infrasound, depending upon frequency and amplitude.
Range of frequency associated with infrasound is less than 20Hz.
No- in fact, it is used in devices to control the behaviour of dogs and other animals with hearing that goes above human pitch. However, there are a few people with-hyper-sensitive hearing who can actually pick up infrasound, if not as an actual noise then as uncomfortable vibrations.
Infra-sound signals are sound waves below 20 Hz. These cannot be sensed by the human ear, but the main advantage of this is that it can travel long distances without distortion. Hence animals like elephants use infra-sounds for communicating with other members of their species that might be wandering far apart.