Well a basic explanation is that some elements have enough electrons to be considered stable. These elements do not need to react with other elements to gain more electrons. Reactive elements are no where near stable; they respond with other elements in order to become stable. The more unstable, the harsher the reaction is.
Answer:
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Acceleration = 14/4 = ....
We have that the magnification of each focal length is given respectively as
A) has 
B) has 
C) has 
From the question we are told that:
Focal Length F
Generally, the equation for Magnification is mathematically given by

Therefore

For A

Therefore


Therefore

For B

Therefore

Where


Therefore

For C

Therefore

Therefore


Therefore

Conclusion
From the calculations above we can rightly say that the magnifications of the values above are
A has 
B has 
C has 
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Answer:
Bluegills are the primary food source in every farm pond. They spawn from May to September and provide a large amount of food to the predators in the pond.
Explanation: