1. which animal/s have/has almost the same lower limit as humans ?
2. which animal/s have/has almost the same upper limit as humans ?
3. cite at least two importance/uses of ultrasonic and infrasonic waves.
2. which animal/s have/has almost the same upper limit as humans ?
3. cite at least two importance/uses of ultrasonic and infrasonic waves.
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Answer:
1. Elephant, cow
2. Dog, bat, cat
3. Ultrasonic -Ultrasonic waves are used to examine the heart and the circulatory system,
Ultrasonic waves are used to determine soft-tissue injury such as nerve damage and it can be used to determine the tumors growing on a tendon.
Infraction- charting rock and petroleum formations below the earth
Used for monitoring earthquakes and volcanoes eruption
Explanation: hope it helps