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Verizon [17]
3 years ago
15

A) Which of our body's defence mechanisms is illustrated?

Biology
2 answers:
olga_2 [115]3 years ago
5 0

Answer:

We don't know cause there is no picture

Explanation:

tigry1 [53]3 years ago
5 0

Answer:

There is nothing being illustrated

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Dolphins and whales make these sounds at any time and at considerable depths. Sounds vary in volume, wavelength, frequency, and pattern.
The wavelength depends on the speed of propagation (c).wavelength=c/f The speed of sound in water is c= 1450 m/s. 
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1450 m/s /  110500 Hz =0.013 m = 0.13 mm
For whales  the waveleng42.5 th is:1450m/s /  42.5 kHz = 
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