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Kryger [21]
3 years ago
12

Which process does not occur in animal cells? A. respiration B. photosynthesis C. chemical reaction D. protein production

Biology
2 answers:
mestny [16]3 years ago
8 0
B because that only occurs in plants!
Sladkaya [172]3 years ago
6 0
B photosynthesis because that is only in plants
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A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w
sergejj [24]
To calculate this we will use the light equation:
c=λ*f

We have Frequency f=9.4* 10^{9}Hz.
We know that speed of light in vacuum is c =3.8* 10^{8} m/s.
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
f=9.4* 10^{9}1/s
<span>c =3.8* 10^{8} m/s
</span>
<span>c=λ*f
</span>⇒ λ= \frac{c}{f}
⇒ λ= \frac{3.8* 10^{8}}{9.4* 10^{9}}
⇒ <span>λ</span>=0.04 m

5 0
3 years ago
How can minerals crystallize from materials dissolved in water? (Select 2 choices )
Lynna [10]

Answer:

The correct options are:

2. From solutions that evaporate

4. From hot water solutions when the solution cools

Explanation:

The substances that can form minerals can be dissolved in the water to form a solution. Solution can be described as as a mixture in which a solute is dissolved in a solvent. When a particular dissolved solute evaporates from the solution, crystals of minerals might form. The mineral halite was formed when seas evaporated over a period of time.

The minerals can also be formed when a hot water solution gets cooled.

6 0
3 years ago
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Apply the principles of diffusion to explain what will occur after placing a dyed sugar cube in a beaker of water
snow_lady [41]

The molecules in the sugar move from an area of higher concentration (sugar cube) to an area of lower concentration in the water.

That is exactly what diffusion is: the net movement of molecules or atoms driven by a gradient , which means that it doesn’t requires energy.


7 0
3 years ago
What best explains why angiosperms are the most diverse and successful plant group today
Pachacha [2.7K]
Because they have flowers which attract pollinators
6 0
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What is homeostasis?
Vlada [557]
C - the ability of the body to keep a constant internal state

• Homeostasis is something like hunger, where your body will let you know that you are hungry so that you will eat, and keep your body stable

hope that helps! :)
6 0
3 years ago
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