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Eduardwww [97]
2 years ago
13

Which two characteristics describe all animals

Chemistry
1 answer:
Maru [420]2 years ago
5 0

All animals can be dangerous and they would fight for their family. (This might be wrong)

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6. Determine the wavelength for a photon of light
MAVERICK [17]

Answer:

6) λ  =  0.84 × 10⁻⁸ m

7) λ  =  0.84 × 10⁻⁶ m

Explanation:

6) Given data:

Wavelength of photon = ?

Frequency of photon = 3.56 × 10¹⁶ Hz

Solution:

Formula:

Speed of radiation = frequency × wavelength

c = speed of wave = 3×10⁸ m/s

by putting values,

3×10⁸ m/s  = 3.56 × 10¹⁶ Hz ×  λ

λ  =  3×10⁸ m/s   / 3.56 × 10¹⁶ s⁻¹

λ  =  0.84 × 10⁻⁸ m

7) Given data:

Wavelength of photon = ?

Frequency of photon = 6.15 × 10¹⁴ Hz

Solution:

Formula:

Speed of radiation = frequency × wavelength

c = speed of wave = 3×10⁸ m/s

by putting values,

3×10⁸ m/s  =  6.15 × 10¹⁴ Hz ×  λ

λ  =  3×10⁸ m/s   /  6.15 × 10¹⁴ Hz s⁻¹

λ  =  0.84 × 10⁻⁶ m

6 0
2 years ago
An atom of this element has _____ shells and _____ valence electrons.
Dmitry_Shevchenko [17]

Answer:

1 orbital (shells) and 1 valence electron

Explanation:

If an atom of hydrogen is a neutral atom, it will have 1 proton in the nucleus and 1 electron in the electron shell.

4 0
2 years ago
Why is Carbon important to life?​
yaroslaw [1]

Answer:cause LOVE ISSSSS  contagioussssss:)

Explanation:

4 0
3 years ago
In which region is the substance in both the solid phase and the liquid phase ?
sergiy2304 [10]

Answer:  Region 3

Explanation:  The temperature and time graph suggests that region 3 is the region in which the substance can co exist in both the phases that is solid phase and liquid phase.

Region 1 explains that the the solid has just started melting and there occurs a break point and then region 2 again explains that the solid is taking more time with temperature to get converted into the liquid and thus region 3 explains the equilibrium between the two phases.

3 0
3 years ago
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True or False?<br><br> Density of ocean water is not affected by salinity (salt content).
Nastasia [14]

Answer:

false

Explanation:

8 0
3 years ago
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