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Leno4ka [110]
4 years ago
11

When the muscle cell contracts

Biology
1 answer:
Luden [163]4 years ago
4 0
C I think would be the best answer for this question!
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4. Compare and contrast a mechanical wave and an elec-
densk [106]

Answer:

difference:

1. The generation mechanism is different, the mechanical wave is generated by mechanical vibration; the electromagnetic wave generation mechanism is also different, there is the periodic movement of electrons (radio waves); the outer electrons with atoms are generated after being excited (infrared, visible, ultraviolet) The inner electrons with atoms are generated after excitation (roentgen rays); the nuclei with atoms are generated after excitation (gamma rays).

2. The propagation mechanism is different: the mechanical interaction between the particles and the alternating induction of the electromagnetic field.

3. Mechanical waves have both transverse waves and longitudinal waves; electromagnetic waves are material waves and belong to transverse waves.

4. The influence of the medium on the propagation speed is different

Explanation:

https://qiaodahai.com/similarities-and-differences-between-mechanical-waves-and-electromagnetic-waves.html

7 0
3 years ago
If you crashed on a deserted island how would you modify, adapt, and depend on the island?
skad [1K]
Don't Panic
Avoid injury
Salvage all you can
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5 0
3 years ago
What is a transported through a process called the water cycle
Alenkinab [10]

Answer:

Water

Explanation:

Its water because water has many forms and all those forms are being converted into other forms of water during the cycle

8 0
3 years ago
3. What is frequency measured in?<br> Kilowatt hours<br> joules<br> period<br> hertz
timurjin [86]

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hertz

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What types of bonds does metalloid form?
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Answer: Metalloid and non-metals not only form covalent bonds by sharing, but can form ionic bonds either by losing or gaining electrons

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