Many insects, for example, emit ultrasound frequencies to communicate with each other by vibrating their wings or their elytra.
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3 · en
3 sentences with “frequencies”
Short, simple sentences with “frequencies”, suitable for children and primary/elementary school, with common expressions and related words. You'll also find examples for middle and high school.
Brief definition: frequencies
The number of times something happens within a certain period, such as sound waves or radio signals.
3 sentences with “frequencies” — examples
Humans can hear sounds whose frequencies range from 20 hertz (lower than a double bass) to 20,000 hertz (higher than a piccolo).
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When our voice reaches one of the resonant frequencies for the shower measurements, one has the impression that the singing also improves in quality. Unfortunately, this is not true. If the person taking a shower is out of tune, he or she will continue to do so thanks to the resonance, but at a higher volume.
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