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4.3 An earthquake produces waves of frequency 23,100 Hz.

4.3.1 What name is given to sounds of frequencies in this range?

4.3.2 Explain why fewer animals usually die during an earthquake than people.

4.3.3 Explain how human beings can avoid dying in large numbers during an earthquake.

Answer :

Final answer:

Sounds in the frequency range of 23,100 Hz are known as ultrasound. Animals tend to survive earthquakes better than humans due to their acute senses that detect seismic activity before it strikes. Humans can avoid dying in large numbers by implementing earthquake preparedness, improving building codes, and educating the public on safety measures.


Explanation:

Sound Frequencies and Earthquake Effects

4.3.1. Name of Sounds in This Frequency Range

The sounds with frequencies around 23,100 Hz are classified as ultrasound. Ultrasound refers to sound waves that are above the audible range of humans, typically above 20,000 Hz. Many animals, especially those that use echolocation such as bats and dolphins, can hear these frequencies.

4.3.2. Fewer Animals Die During an Earthquake

Fewer animals usually die during an earthquake than people because many animals have heightened senses that allow them to detect changes in the environment before the earthquake strikes. They can often sense the vibrations and even detect changes in air pressure or electrical fields, which alert them to danger. For instance, certain species, like dogs or elephants, have shown the ability to sense seismic activities before they become destructive, enabling them to flee to safer areas.

4.3.3. Ways for Humans to Avoid Dying in Large Numbers

To mitigate the risk of large casualties during earthquakes, human beings can implement several strategies:

  1. Earthquake Preparedness: Having emergency plans and conducting drills can help individuals react swiftly.
  2. Infrastructure Improvement: Building codes that require structures to withstand seismic activities can reduce the damage.
  3. Education: Informing the public about earthquake safety measures, such as “Drop, Cover, and Hold On” can save lives.

Through these measures, it is possible to avoid large-scale loss of life during seismic incidents.


Learn more about Earthquake preparedness here:

https://brainly.com/question/40194884


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