Infrasonidos

Infrasound refers to low-frequency sounds that can originate from natural events like weather and earthquakes, as well as artificial sources. Although humans may not hear these sounds, they can still have effects, such as causing anxiety. Some animals, like elephants and whales, utilize infrasound to communicate over long distances.

What are some natural sources of low-frequency sounds?

• Volcanoes and thunderstorms

• Traffic and machinery

• Musical instruments

• Human speech

Infrasound can be produced by which of the following artificial sources?

• Musical concerts

• Industrial machinery

• Mobile phones

• Television broadcasts

Which of the following is a potential effect of infrasound on humans?

• Feelings of anxiety

• Improved concentration

• Increased energy

• Enhanced hearing

Which animals are known to use infrasound for communication?

• Dogs and cats

• Elephants and whales

• Birds and insects

• Lions and tigers

How do elephants and whales benefit from using infrasound?

• To locate food

• To find mates

• To communicate over long distances

• To navigate through water