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The answer is B- the process of cells making new cells
Answer:
'
Explanation:
It is given that,
Mass of the plunger, 
Mass of the bullet,
Initially both plunger and the bullet are at rest, 
Final speed of the bullet, 
Let
is the final speed of the plunger. Using the conservation of momentum to find it. The equation is as follows :

Since, 




So, the recoil velocity of the plunger is 8.19 m/s. Hence, this is the required solution.
Must be isolated from the temperature of the gas
Modelling the structure of the atom is important because modeling replaces the real system with something similar but easier to examine. Option B
<h3>What is modeling?</h3>
A model is a representation of reality. We know that a model could help us to recreate reality in a manner that we could be able to relate fully with it. A model could be used also a means of explanation.
The atomic models that we have usually help us to understand more abut the atom. Therefore, modelling the structure of the atom is important because modeling replaces the real system with something similar but easier to examine. Option B
Learn more about modelling the atom:brainly.com/question/1596638
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